Quantity and Quality 

of Surface Waters of 

Alaska, 1957

Prepared under the direction of J. V. B. WELLS, Chief, Surface Water Branch, S. K. LOVE, 

Chief, Quality of Water Branch

GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1500

UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1960
UNITED STATES DEPARTMENT OF THE INTERIOR 

FRED A. SEATON, Secretary

GEOLOGICAL SURVEY 

Thomas B. Nolan, Director

For sale by the Superintendent of Documents, U.S. Governme.nt Printing Office 

Washington 25, D.C. - Price 45 cents (paper cover)
PREFACE

This report was prepared by the Geological Survey in the Water 

Resources Division, L. B. Leopold, chief. The streamflcrv records 

were prepared under the general direction of J. V.B.We 11s,chief, 

Surface Water Branch, and F. J. Flynn,chief, BasicRecords Section, the data being collected and computed under the supervision 

of R.E. Marsh, district engineer, Surface Water Brand, Juneau, 

Alaska. The quality of water records were prepared under the 

gener al direction of S. K. Love, chief, Quality of Water Branch, 

and W. H. Durum, chief, Reports Section, the data being collected 

and computed under supervision of F.B.Wallingvdistrict chemist, 

Quality of Water Branch, Palmer, Alaska.

Ill
CALENDAR FOR WATER YEAR 1957

OCTOBER 1956

S M T W T P S 

123456

7 8 9 10 11 12 13 

14 15 16 17 18 19 20 

21 22 23 24 25 26 27 

28 29 30 31

JANUARY 1957

5 M T W T P S 

12345

6 7 8 9 10 11 12

13 14 15 16 17 18 19

20 21 22 23 24 25 26

27 28 29 30 31

APRIL 1957

S M T W T P S 

123456

7 8 9 10 11 12 13 

14 15 16 17 18 19 20 

21 22 23 24 25 26 27 

28 29 30

JULY 1957

S M T W T F S 

123456

7 8 9 10 11 12 13 

14 15 16 17 18 19 20 

21 22 23 24 25 26 27 

28 29 30 31

NOVEMBER 1956

S M T W T P S 

123

4 5 6 7 8 9 10 

11 12 13 14 15 16 17 

18 19 20 21 22 23 24 

25 26 27 28 29 30

FEBRUARY 1957

S M T W T P S 

1 2

3456789 

10 11 12 13 14 15 16 

17 18 19 20 21 22 23 

24 25 26 27 28

S M T W T P S 

1234

5 6 7 8 9 10 11 

12 13 14 15 16 17 18 

19 20 21 22 23 24 25 

26 27 28 29 30 31

AUGUST 1957

S M T W T F S 

123

4 5 6 7 8 9 10 

11 12 13 14 15 16 17 

18 19 20 21 22 23 24 

25 26 27 28 29 30 31

DECEMBER 1956

S M T W T P S 

1

2345678

9 10 11 12 13 14 15

16 17 18 19 20 21 22

23 24 2-17 26 27 28 29

30 31

MARCH 1957

S M T W T P S 

1 2

3456789 

10 11 12 13 14 15 16 

17 18 19 20 21 22 23 

24 25 2" 27 28 29 30 

31

J"ME 1957

S M T W T P S 

1

2345678

9 10 11 12 13 14 15

16 17 18 19 20 21 22

23 24 23 26 27 28 29

30

SEPTEMBER 1957

S M T W T F S

1234567

8 9 10 11 12 13 14

15 16 17 18 19 20 21

22 23 24 25 26 27 28

29 30

IV
CONTENTS

Scope of work........................................................................ 1

Cooperation.......................................................................... 1

Division of work..................................................................... 1

Definition of terras and abbreviations................................................ 2

Downstream order of listing gaging and sampling stations............................. 3

Explanation of data:

Surface water...................................................................... 3

Quality of water................................................................... 6

Accuracy of field data and computed results........................................... 7

Publications......................................................................... 8

Gaging-station records............................................................... 9

Southeastern Alaska 

Mainland streams: 

Winstanley Creek near Ketchikan................................................ 9

Hardlng River near Wrangell.................................................... 10

Cascade Creek near Petersburg.................................................. 11

Speel River: 

Long River near Juneau....................................................... 12

Dorothy Creek near Juneau...................................................... 13

Carlson Creek near Juneau...................................................... 14

Sheep Creek near Juneau........................................................ 15

Gold Creek at Juneau........................................................... 16

Lemon Creek near Juneau........................................................ 17

Streams on Revlllagigedo Island: 

Ward Creek:

Perseverance Creek near Wacker............................................... 18

Ward Creek near Wacker......................................................... 19

Mahoney Creek near Ketchikan................................................... 20

Falls Creek near Ketchikan...................."................................. 21

Fish Creek near Ketchikan...................................................... 22

Ella Creek near Ketchikan...................................................... 23

Manzanita Creek near Ketchikan................................................. 24

Streams on Baranof Island:

Sawmill Creek near Sltka....................................................... 25

Deer Lake Outlet near Port Alexander........................................... 26

Takatz Creek near Baranof...................................................... 27

Streams on Admiralty Island:

Hasselborg Creek near Angoon................................................... 28

Streams on Chichagof Island:

Pavlof River near Tenakee...................................................... 29

Alaska west of longitude 141° 

Copper River:

Gakona River at Gakona......................................................... 30

Tazlina River near Glennallen.................................................. 32

Klutina River at Copper Center................................................. 34

Tonsina River at Tonsina....................................................... 36

Copper River near Chitina........................................................ 38

Eyak Lake (head of Eyak River):

Power Creek near Cordova....................................................... 42

Anchor River at Anchor Point..................................................... 43

Kasllof River near Kasilof....................................................... 44

Kenal River:

Ptarmigan Creek at Lawing...................................................... 45

Trail River:

Grant Creek near Moose Pass.................................................. 46

Trail River near Lawing........................................................ 47

Quartz Creek:

Crescent Creek near Moose Pass............................................... 48

Crescent Creek near Cooper Landing........................................... 49

Kenal River at Cooper Landing.................................................... 50

Cooper Creek near Cooper Landing............................................... 51

Campbell Creek:

South Fork Campbell Creek near Anchorage............... ....................... 52

Ship Creek near Anchorage........................................................ 53

Eklutna Creek:

Eklutna Lake near Palmer......................................................... 54

Eklutna Creek near Palmer........................................................ 55

Matanuska River:

Caribou Creek near Sutton...................................................... 56

Matanuska River at Palmer........................................................ 57

Little Susitna River near Palmer................................................. 58

Susitna River near Denall........................................................ 59

Susitna River at Gold Creek...................................................... 60

Streams on Kodlak Island: 

Uganik River near Kodlak....................................................... 64

Kvlchak River: 

Newhalen River near Illamna..................................................... 65

Nushagak River: 

Nuyakuk River near Dllllngham.................................................. 66

Kuskokwlm River at Crooked Creek................................................. 67

Yukon River at Eagle............................................................. 69

Yukon River at Rampart........................................................... 70

Tanana River at Northway Junction.............................................. 71

V
VI CONTENTS

Gaging-station records Continued

Alaska west of longitude 141° Continued

Yukon River Continued Page

Tanana River near Tanacross.................................................... 73

Tanana River at Big Delta...................................................... 77

Salcha River near Salchaket.................................................. 78

Chena River at Fairbanks..................................................... 79

Nenana River near Healy...................................................... 80

Yukon River at Ruby.............................................................. 85

Yukon River at Kaltag............................................................ 86

Discharge measurements at points other than gaging stations.......................... 87

Miscellaneous chemical analyses ...................................................... 89

Index................................................................................ 99
QUANTITY AND QUALITY OF SURFACE WATERS OF ALASKA, 1957

SCOPE OF WORK

This volume contains results of measurements of the flow and the chemical and physical 

quality of streams in the Territory of Alaska during the water year ending September 30, 

1957. Since the beginning of stream-gaging work in Alaska in 1906, records cf flow of 

streams and ditches have been obtained at about 320 gaging stations for pericds ranging 

from a few months to 40 years. On Sept. 30, 1957, the Geological Survey was maintaining 

61 gaging stations. Discharge measurements only were made at many other poirts in the 

1957 water year; these are published near the end of the report.

Prior to 1948, records of chemical and physical composition of surface waters in 

Alaska consisted of a few turbidity measurements of the Copper River near Copper Center, 

in 1913, and chemical analyses of some surface waters of the Seward Peninsula, in 1914, 

of Yukon River basin, in 1915, and of the Yukon River at Anvik, 1915 to 1916. In 1948 

a continuing chemical-quality program was started by the Geological Survey. Several miscellaneous samples were collected and analyzed that year, and regular sampling stations 

were established in 1949. During the 1957 water year records of chemical composition of 

surface waters were obtained at about 69 sites including 5 sites at which daily samples 

were collected during the open-water period. Sediment records were obtained at 9 sites 

during the same period.

COOPERATION

Assistance in the form of funds or services was given by the Corps of Engineers, 

Department of Army, In collecting streamflow records published herein for 5 gaging 

stations.

Assistance was also furnished by the Bureau of Reclamation of the United States Department of the Interior In the operation of one gaging station.

The city of Seward financed the operation of one gaging station.

DIVISION OF WORK

The stream-gaging work was done by the Water Resources Division of the Geological Survey under the direction of the personnel shown in the preface. The streamflow dat^ were 

collected and prepared for publication in the Surface Water Branch district office, the 

address of which is 117 Federal and Territorial Building, Juneau.

The collection of samples for chemical and suspended sediment analyses anH watertemperature measurements was under the direction of personnel of Quality of Water Branch 

assisted by the Surface Water Branch. Chemical and sediment analyses, computation of 

data, and preparation of records was done by the Quality of Water district office, Palmer, 

Alaska.

Information of a more detailed nature than that published for most of the gaging stations or sampling stations given in this report is on file in the district cffices shown 

above. Provisional records of discharge prior to publication and other unpublished data 

concerning the records may usually be obtained from the district offices.

1
2 SURFACE WATER SUPPLY, 1957, ALASKA

DEFINITION OP TERMS AND ABBREVIATIONS

The terms of streamflow and other hydrologic data, as used in this report, are defined 

as follows:

Cubic foot per second (cfs) is the rate of discharge of a stream whose channel is 

1 square foot in cross-sectional area and whose average velocity is 1 foot per second.

Cubic feet per second per square mile (cfsm) is the average number of cubic feet of 

water flowing per second from each square mile of area drained, assuming that the runoff 

is distributed uniformly in time and area.

Runoff in Inches is the depth to which an area would be covered if all the water draining from it in a given period were uniformly distributed on its surface. The term is used 

for comparing runoff with rainfall, which is also usually expressed in inches.

Acre-foot is the quantity of water required to cover an acre to the depth of 1 foot and 

is equivalent to 43,560 cubic feet. The term is commonly used in relation to storage for 

irrigation.

Cfs-day is the volume of water represented by a flow of 1 cubic foot per second for 

24 hours. It is equivalent to 86,400 cubic feet, 1.983471 acre-feet, or 646,317 gallons, 

and represents a runoff of 0.0372 inch from 1 square mile.

Stage-discharge relation is the relation between gage height and the amount of water 

flowing in a channel, expressed as volume per unit of time.

Control designates a feature downstream from the gage that determines fie stagedischarge relation at the gage. This feature may be a natural constriction of the channel, 

a long reach of the channel, or an artificial structure.

The drainage area of a stream at a specified location is that area, measured in a horizontal plane, which is so enclosed by a topographic divide that direct surface runoff from 

precipitation normally would drain by gravity into the river above the specified point. 

Figures of drainage area given herein include all closed basins, or noncontributing areas, 

within the area unless otherwise noted.

WSP is used as an abbreviation for "Water-Supply Paper" in references to previously 

published reports.

Part per million (ppm) is a unit weight of constituent in a million unit weights of 

solution. The unit has a slightly different meaning when applied to sediment concentrations. A part per million of sediment is computed as one million times the ratio of the 

weight of sediment of the weight of water-sediment mixture.

Hardness as CaC03 is the calcium and magnesium expressed as an equivalent amount of 

calcium carbonate.

Carbonate hardness is the hardness caused by calcium and magnesium equivalent to the 

carbonate and bicarbonate.

Noncarbonate hardness is the hardness caused by calcium and magnesium in excess of the 

carbonate hardness.

Particle-size analyses are expressed in percentages finer than indicated sizes in 

millimeters. The size classification used in this report is that recommended by the 

American Geophysical Union Subcommittee on sediment terminology. 1

Specific conductance (micromohos at 25°C) is one million times the reciprocal of 

specific resistance, at 25°C. Specific resistance is the resistance in ohms of a column 

of water 1 cm long and 1 square cm in cross section.

Lane, E. W. ,. et al., 1947, Report of the Subcomm.Li.uee on Terminology: Am. Geophys. Union 

Trans., V. 28, p. 937.
EXPLANATION OF DATA 3

Suspended sediment or suspended load is sediment that moves in suspension Ir water and 

is maintained in suspension by the upward components of turbulent currents or as a colloid. 

Daily sediment loads are expressed in tons per day, and except for subdivided days are 

usually obtained by multiplying daily mean sediment concentration in parts per million by 

the daily mean discharge, and the appropriate conversion factor, normally 0.0027.

pH is the negative logarithm of the hydrogen-ion concentration expressed in grams-moles 

per liter. However, when determined with a pH meter, which is the procedure normally used 

in Geological Survey laboratories, pH is an expression of the hydrogen-ion activity or the 

effective hydrogen-ion concentration.

DOWNSTREAM ORDER OF LISTING GAGING AND SAMPLING STATIONS

Gaging and sampling stations in this report are listed in a downstream direction along 

the main stem. All stations on a tributary entering above a main-stem station are listed 

before that station. If a tributary enters between two main-stem stations, it is listed 

between them. A similar order is followed in listing stations on first rank, second rank, 

and other ranks of tributaries. To indicate the rank of any tributary on which a gaging 

or sampling station is situated and the stream to which it is immediately tribitary, each 

indention in the listing of stations in the table of contents of this report represents 

one rank. This downstream order and system of indention show which gaging or sampling 

stations are on tributaries between any two stations on a main stem and the ra^ of the 

tributary on which each station is situated.

EXPLANATION OF DATA 

SURFACE WATER

The base data collected at gaging stations consist of records of stage and measurements 

of discharge. In addition, observations of factors affecting the stage-discharge relation, 

weather records, and other information are used to supplement base data in determining the 

daily flow. The records of stage are obtained either from direct readings on a nonrecording gage or from a water-stage recorder that gives a continuous record of fluctuations. 

Measurements of discharge are made with a current meter by the general methods adopted by 

the Geological Survey on the basis of experience in stream gaging since 1888. These 

methods are described in Water-Supply Paper 888 and are also outlined in standard textbooks on the measurement of stream discharge.

Rating tables giving the discharge for any stage are prepared from stage-distmarge 

relation curves defined by discharge measurements. If extensions to the rating curves 

are necessary to define the extremes of discharge, they are made on the basis of indirect 

determinations of peak discharge (such as slope-area or contracted-opening determinations, 

computation of flow over dams or weirs, and by other methods), velocity-area studies, and 

logarithmic plotting. The application of the daily mean gage height to those rating 

tables gives the daily mean discharge, from which the monthly and the yearly trean discharge are computed. If the stage-discharge relation is subject to change because of 

frequent or continual change in the physical features that form the control, the daily 

mean discharge is determined by the shifting-control method, in which correction factors 

based on individual discharge measurements and notes by engineers and observers are used 

in applying the gage heights to the rating tables. If the stage-discharge relation for
4 SURFACE WATER SUPPLY, 1957, ALASKA

a station is temporarily changed by the presence of aquatic growth or debris on the control, the daily mean discharge is computed by what is essentially the shifting-control 

method.

At many gaging stations in Alaska the stage-discharge relation is affected by ice 

during the winter, and it becomes impossible to compute the discharge in the usual manner. 

Discharge for periods of ice effect is computed on the basis of the gage-height record and 

occasional winter discharge measurements, consideration being given to the available information on temperature and precipitation, notes by gage observers and engineers, and 

comparable records of discharge for other stations in the same or nearby basins. If the 

stage-discharge relation is affected by ice, this information is given .in a note to the 

table. No mention is made of occasional days of ice effect if the degree of accuracy of 

daily records is not changed.

The streamflow data presented herein comprise a description of the station and a table 

showing the daily discharge and the monthly and yearly discharge and runoff of the stream. 

Records are published on basis of the water year which begins on October 1 and ends on 

September 30.

The description of the station gives the location, drainage area, record! available, 

type and history of gages, average discharge, extremes of discharge, general remarks, and 

notations of revisions of the previously published record. The location of the gaging 

station and the drainage area are obtained from the most accurate maps available. Under 

"Records available" are given the periods for which there are published records generally 

equivalent to those at the present site. Under "Gage" are given the type o*" gage currently 

in use and the datum of the present gage above mean sea level, and a condenied history of 

the types, locations, and datums of previous gages used during the period of records 

available. Under "Average discharge"is given the average discharge for the number of 

years indicated. It is not given for stations having fewer than five complete years of 

record or for stations where changes in water development during the period of record 

cause the figure to have little significance. Under "Extremes" are given the maximum discharge and gage height; the minimum discharge if there is little or no regulation; the minimum daily discharge if there is extensive regulation (also the minimum discharge if 

useful); and the minimum gage height (unless it is of no importance). In the first paragraph the data given are for the complete current year unless otherwise specified. In the 

second paragraph the data given are for the periods of record within the calendar year 

dates in the heading (not necessarily those for the complete years indicated by the heading 

dates). Reliable information concerning major floods that have occurred outside the period 

of record are given in the third or last paragraph under "Extremes." Unless otherwise 

qualified, the maximum discharge corresponds to the crest stage obtained by use of a waterstage recorder, a crest-stage indicator, or a nonrecording gage read at the time of the 

crest. If the maximum gage height did not occur at the same time as the maximum discharge, 

it is given separately. Information pertaining to the accuracy of the records and conditions which affect the natural flow at the gaging station is given under "Remarks."

Previously published records of some stations have been found to be in error on the 

basis of data or information later obtained. Revisions of such records are usually published in a subsequent report. In order to make it easier to find such revised records, 

a paragraph headed "Revisions (water years)" has been added to the description of all 

stations for which revised records have been published. In this paragraph are listed the
EXPLANATION OP DATA 5

reports In which revisions of dally discharge have been published, each followed by the 

water years for which figures are revised In that report. In listing the water years 

only one number Is given; for Instance, 1933 stands for the water year Octobgr 1, 1932, to 

September 30, 1933. If no dally, monthly, or annual figures of discharge are concerned In 

the revision, that fact is brought out by notations after the year dates as follows: 

"(M)" means that only the instantaneous maximum discharge was revised; "(m)" that only the 

instantaneous minimum was revised; and "(P)" that only peak discharges were revised. For 

stations in Alaska, however, monthly discharge for all stations prior to October 1950, 

were published in Water-Supply Paper 1372. Revisions of many monthly discharges as well 

as of previously published daily discharges were included in that report. The periods for 

which monthly discharge only is available and published in Water-Supply Paper 1372, are 

noted in the "Records available" paragraph. Therefore, the years for which revisions of 

monthly discharge only were made are not indicated under the "Revisions (water years)" 

paragraph. If the drainage area has been revised, the report in which the revised figure 

was first published is given. It should be noted that for all stations for which cubic 

feet per second per square mile and runoff in inches are published, a revision of the 

drainage area necessitates corresponding revision of all figures based on tie drainage 

area. /Revised figures of cubic feet per second per square mile and runoff in inches resulting from a revision of the drainage area only are usually not published.

For stations equipped with water-stage recorders, except those on streams subject to 

sudden or rapid fluctuation, the daily table gives the discharge corresponding to the 

daily mean gage height. For stations subject to such fluctuation the daily mean gage 

height may not indicate the true daily mean discharge, which must be obtained by averaging 

the discharge for parts of the day. For stations equipped with nonrecording gages, the 

table of daily discharge gives the discharge corresponding to once-daily readings of the 

gage, or to the mean of twice-daily readings, or to the mean gage height determined from 

gage-height graphs based on gage readings. For periods of rapidly changing stage, the 

daily mean discharge is determined from gage-height graphs based on gage readings, the 

frequency of which is stated in the station description.

In the table of daily discharge, the figures for the maximum day and the minimum day 

for each month are underlined. If the figure is repeated, it is underlined only on the 

first day of its occurrence.

In the monthly summary below the daily table, the line headed "Total" gives the sum of 

the daily figures; it is the total cfs-days for the month. The line headed "Mean" gives 

the average flow in cubic feet per second during the month. Runoff for the month may be 

expressed in cubic feet per second per square mile (line headed "Cfsm"), or in inches 

(line headed "In."), or in acre-feet (line headed "Ac-ft"). Figures of cubic feet per 

second per square mile and runoff in inches are omitted if the drainage area includes 

large noncontributing areas, or if the average annual rainfall over the drainage basin is 

usually less than 20 inches.

In the yearly summary below the monthly summary, the figures of maximum are the maximum 

daily discharges, not the momentary discharges when the water was at crest stage. Likewise, the minumums in this summary are the minimum daily discharges.

Peak discharges and the times of their occurrence and corresponding gag? heights of 

most stations are listed below the table of daily and monthly discharge. All independent 

peaks above the selected base are given. The base discharge, which is given in
6 SURFACE WATER SUPPLY, 1957, ALASKA

parentheses, is selected so that an average of about three peaks a year will be presented. 

Peak discharges are not published for canals, ditches, drains, or for any stream for which 

the peaks are subject to substantial control by man.

Footnotes to the table of daily discharge indicate periods when discharge was computed 

or estimated by unusual or special methods during periods of no gage-height record and ice 

effect, or by other effects that reduce the degree of accuracy of the records. Days on 

which discharge measurements were made are indicated by asterisk and footnote unless they 

were made at frequent regular intervals, in which instance the general frecuency of discharge measurements is given under "Remarks" in the station description.

QUALITY OF WATER

In general samples for chemical analysis were collected daily at five'of the regular 

sampling stations during the open-water period, and periodically during the period of ice 

cover. For the daily stations analyses were made of 10-day composites of daily samples. 

Three composites were prepared each month by combining equal volumes of daily samples 

collected from the 1st to the 10th, from the llth to the 20th, and for the remainder of 

the month. Samples were collected less frequently at many other stations in Alaska.

Samples collected for chemical analysis were analyzed according to methods regularly 

used by the Geological Survey. The methods are essentially the same as or are modifications of methods described in authoritative publications, for mineral analysis of 

water. 1 ' 2

The value reported for dissolved solids is usually the residue on evaporation after 

drying at 180°C for 1 hour. Specific conductance is given for most of the analyses and 

was determined by means of a conductance bridge using a standard potassium chloride solution as reference.

The streamflow data are reported in two ways: For regular daily stations the daily 

mean discharge is reported, whereas values given for discharge in the tables of miscellaneous analyses are normally the discharge at the time the sample was collected.

Suspended-sediment samples were collected daily during the open-water season at 4 stations, and periodically at 5 stations. Samples were collected periodically during 

periods of ice cover at all stations. Daily samples were collected with a US D-49 depthintegrating sampler from a fixed point at one vertical in the cross section. Depthintegrated samples at three or more verticals in the cross section were collected periodically at all sediment stations. Occasionally point-integrated samples were taken with 

a US P-46 sampler.

Sediment concentrations were determined by weighing the solid residue after filtration 

or evaporation of the samples. For stations where samples were collected periodically, 

the concentrations reported are instantaneous concentrations or concentration of composites of several samples. For regular daily stations daily mean concentrations were obtained for the periods during which samples were taken, by plotting the instantaneous 

concentration on a copy of the gage-height-recorder chart. The plotted concentrations 

were connected by a continuous curve. Daily mean concentrations were estimated from

American Public Health Assoc., Standard methods for the examination of water and sewage, 

9th ed. p. 1-112, 1946. 

g

Colllns, W. D., Notes on practical water analyslsj U. S. Geological Survey Water-Supply Paper 

596-H, 1928.
ACCURACY OF FIELD DATA AND COMPUTED RESULTS 7

the graph. Footnotes to daily values in the tables are used to indicate methods of 

computation.

In addition to sediment concentrations and loads, records of particle size are reported 

also for most of the sediment stations. Generally particle size was determinsd by a combination of sieve analysis and bottom-withdrawal tube analysis (U. S. Inter-agency, 1943). 

Sizes larger than 0.062 mm (sand-size) were determined by sieve analysis and those smaller 

than 0.062 mm were determined by bottom-withdrawal tube or pipette analysis. Native or 

distilled water, as noted in the tables of analyses, was used as the settling medium. 

Usually distilled water with a dispersing agent was used. Results obtained with distilled 

water and a dispersing agent as a settling medium approximate the ultimate particle size 

of the finer fractions, whereas results obtained with native water as the settling medium 

more nearly simulate the particle size existing in the stream.

For most daily stations, water temperatures were obtained at the time the samples for 

chemical quality were collected. Where practicable, the water temperatures at a station 

were determined at about the same time each day in order to minimize diurnal variation of 

temperature. The thermometer used for temperature determinations was accurate to plus or 

minus 0.5°F.

The description of the station includes a statement giving the periods for which there 

are published records of water quality. Extremes for constituents, suspended sediment, 

and temperature are not given for regular stations owing to the short period of continuous 

records.

ACCURACY OF FIELD DATA AND COMPUTED RESULTS

The accuracy of streamflow data depends primarily on (1) the stability of the stagedischarge relation or, if the control is unstable, the frequency of discharge measurements, and (2) the accuracy of observations of stage, measurements of discharge, and interpretation of records.

The station description states the degree of accuracy of the discharge records. 

"Excellent" indicates that, in general, the error in the daily records is believed to be 

less than 5 percent; "good," less than 10 percent; "fair"" less than 15 perc3nt; and 

"poor," probably more than 15 percent. The records of monthly and yearly mean discharge 

and runoff are, in general, more nearly accurate than the daily records.

Figures of cubic feet per second per square mile and runoff in inches are published 

only for stations in southeastern Alaska; they are not published for stations in the rest 

of the Territory, because the annual precipitation is generally less than 20 inches. Runoff varies widely in Alaska due to great differences in precipitation not only between 

sections of the Territory, but also at different elevations in the same areas. Generally 

speaking, annual precipitation is much greater in southeastern Alaska and along the coast 

to Seward than in the rest of the Territory. Even in southeastern Alaska arnual precipitation may range from about 25 inches in the vicinity of Skagway in the northern part to 

about 150 inches near Ketchikan in the southern part, and may be as high as 180 inches at 

the southern tip of Baranof Island, all measured at or near sea level. However, precipitation increases with altitude, reaching a maximum at about 4,000 feet elevrtion. Consequently, runoff in inches as measured at low elevations on streams draining mountainous 

areas often totals nearly twice the precipitation measured at or near sea level in the 

same.drainage basin. At nearly every gaging station in southeastern Alaska the measured
8 SURFACE WATER SUPPLY, 1957, ALASKA

annual runoff in Inches exceeds the annual precipitation as measured at the nearest 

Weather Bureau station.

PUBLICATIONS

A compilation of records of streamflow in Alaska through September 1950 has been published as WSP 1372. Records prior to 1946 were published in Geological Surrey bulletins 

or water-supply papers or in reports of other agencies. Summary tables in WSP 1372 indicate the reports in which this data was originally published. In some cases the earlier 

reports contain more detailed information than is published in WSP 1372. That report 

contains a summary of monthly and annual discharges through September 1946 for all previously published records as well as records of daily and monthly discharge for the years 

1946-50, which had not been published previously. All records prior to 1946 were reexamined and revised where warranted. Estimates of discharge were made to fill short 

gaps whenever practical.

Daily discharge records for water years 1951-53 have been published in WSP 1466.

Daily discharge records for water years 1954-56 have been published in WSP 1486.

The reports referred to above contain, in addition to records of daily discharge at 

gaging stations, the results of discharge measurements at many points other than regular 

gaging stations.

Geological Survey reports containing data on quality of surface waters ir Alaska prior 

to 1948 include the following:

Professional Paper 135, Composition of river and lake waters of the United States,

1924.

Bulletin 770, The data of geochemistry, 1924.

Water-Supply Paper 372, A water-power reconnaisance in south-central Alaska, 1915.

Water-supply Paper 418, Mineral springs of Alaska, 1917.

Records of chemical quality and water temperature obtained from 1948 to September 1950 

are presented in WSP 1372.

Records of chemical quality, water temperature, and suspended sediment fcr water years 

1951-53 have been published in WSP 1466.

Records of chemical quality, water temperature, and suspended sediment for water years 

1954-56 have been published in WSP 1486.
GAGING-STATION RECORDS

SOUTHEASTERN ALASKA 

Wlnstanley Creek near Ketchlkan

Location. Lat 55°25' , long 130°52' , on right bank 0.3 mile downstream from Lower Winstanley Lake, 1.1 miles upstream from mouth, and 31 miles east of Ketchlkan.

Drainage area. 13 sq ml, approximately.

Records available.--August 1936 to September 1938, August 1947 to September 1957. Monthly 

discharge only for some periods, published In WSP 1372.

Gage. Water-stage recorder. Altitude of gage Is 290 ft (by barometer). 

Average discharge. 12 years, 152 cfs (110,000 acre-ft per year).

Extremes. Maximum discharge during year, 814 cfs Dec. 25 (gage height, 3.46 ft); minimum, 

10 cfs Feb. 7, 8 (gage height, 0.72 ft).

1936-38, 1947-57: Maximum discharge, 1,900 cfs Feb. 7 or 8, 1954 (gags height, 

5.1 ft); minimum, 6.0 cfs Jan. 12, 1956 (gage height, 0.58 ft).

Flood sometime during period October 1938 to July 1947 reached a stage of 4.85 ft, 

from high-water mark in gage well (discharge, about 1,800 cfs).

Remarks.--Records good. Upper and Lower Winstanley Lakes above gage have areas of 465 and 

175 acres, respectively.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

198

220

207

281

323

640

52T

*331

248

238

292

446

433

372

327

285

266

368

327

277

230

188

150

148

168

142

112

99

88

78 

70

8,073

260

20.0

23.09

16,010

Nov.

65

Tf

241

255

194

148

114

124

355

577

433

428

360

255

227

220

227

182

148

182

500

598

389

285

227

180

142

119

97

86

7,435

248

19.1

21.27

14,750

Dec.

126

241

214

160

121

93

80

68

60

*52

46

41

41

39

35

32

47

112

201

259

210

174

194

350

759

770

715

683

488

385 

315

7,111

229

17.6

20.34

14,100

Jan.

255

2§T

150

119

104

110

102

85

70

59

51

45

39

35 33

29

28

25

23

22

20

18

18

16

14

14

13

12

12

13 

13

1,748

56.4

4.34

5.00

3,470

Feb.

12

12

12

11

11

11

TQ- 10

11

12

13

19

59

106

106

95

89

86

77

66

58

48

44

38

33

31

29

27

-

1,136

40.6

3.12

3.25

2,250

Mar.

25

23

22

20

IB

18

18

18

18

20

*21

22

21

21

20

20

20

23

28

39

46

48

51

53

5T

48

44

39

36

39 

46

936

30.2

2.32

2.G8

1,860

Apr.

58

93

142

152

140

117

99

86

77

71

67

62

59

54

59

70

72

80

86

83

81

102

121

119

114

140

207

252

262 

2T7

3,342

111

8.54

9.56

6,630

May

191

201

224

224

207

182

*163

Tee

198

220

220

207

191

185

194

194

198

227

259

248

252

248

227

198

191

296

402

442

STE

315 

270

7,318

236

18.2

20.94

14,520

June

244

227

217

210

201

201

194

180

163

145

145

234

312

277

230

194

174

166

160

155

158

180

227

266

259

312

347

323

270

248

6,619

221

17.0

18.94

13,130

July

224

182

155

160

168

155

142

124

*112

108

110

126

128

119

128

148

148

133

117

106

97

142

214

220

300

331

7j<5

201

158

130

4,982

161

12.4

14.25

9.88C

Aug.

112

95

83

72

68

110

145

133

112

93

80

89

177

TeO" 191

128

102

83

71

60

52

49

51

55

59

56

51

47

43

39 

40

2,706

87.3

6.72

7.74

5,370

Sept.

55

59

56

51

54

81

114

135

142

133

112

95

80

70

60

*51

46

40

36

33

32

31

30

29

28

26

30

42

298

478

2,527

84.2

6.48

7.23

5,010

Calendar year 1956: Max 1,490 Min 6.5 Mean 160 Cfsm 12.3 In. 167.59 Ac-ft 116,200

Water year 1956-57: Max 770 Min 10 Mean 148 Cfsm 11.4 In. 154.29 Ac-ft 107,000

sak discharge (base, 650 cfs).--Oct. 6 (2 p.m.) 693 cfs (3.26 ft); Nov. 22 (1 a.m.) 683 cfs 

(5.24 ft); Dec. 25 (12 m.) 814 cfs (5.46 ft)._____________________________

* Discharge measurement made on this day.
10 SOUTHEASTERN ALASKA

Hard ing River near Wrangell

Location. Lat 56°13' , long 131°38' , on right bank 1 mile upstream from mcuth on north 

shore of Bradfield Canal, 4 miles downstream from Fall Lake, and 34 miles southeast of 

Wrangell.

Drainage area. 95 sq mi, approximately.

Records available. August 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage is 20 ft (by barometer).

Average discharge. 6 years, 700 cfs (506,800 acre-ft per year).

Extremes. Maximum discharge during year, 8,090 cfs Sept. 30 (gage height, 12.65 ft); minimum not determined.

1951-57: Maximum discharge, 9,820 cfs Oct. 2, 1952 (gage height, 13.84 ft), from 

rating curve extended above 4,500 cfs; minimum not determined.

Remarks.--Records good except those for periods of ice effect or no gage-height record, 

which are poor. Pall Lake, at elevation 182 ft, has an area of 170 acres.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6 

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

1,020

610

628

*1,240

896

2.810 

1,150

705

1,470

1,300

1,650

1,300

889

875

698

580

764

1,290

640

503

455

390

317

293

289

238

204

204

192

178 

172

23,950

773

8.14

9,38

47,500

Nov.

165

?38

338

285

207

183 

172

289

1,220

1,180

628

889

481

352

375

 380

390

273

234

508

2,190

1,350

692

622

547

574

542

430

370

508

16,612

554

5.83

6.50

32,950

Dec.

1,570

952

460

160

950

1,260

1,740

1,120

882 

679

17,873

577

6,07

7,00

35,450

Jan.

514

3l30~

313

265

242

228

201

85

4,183

135

1,42

1.64

8,300

Feb.

90

-

2,520

90

0.947

0,99

5,000

Calendar year 1956: Max 4,260 Min -

Mar.

(*)

80

2,480

80

0.842

0.97

4,920

Apr.

190

400

366

321

366

380

654

59?

542

425

8,016

267

2,81

3.14

15,900

May

498 5JO~

861

805

666

586 

604

861

1,000

1,090

*1,040

987

924

1,040

1,220

1,240

1,160

1,540

1.690

1,450

1,240

1,090

966

903

847

1,120

1,100

1,200

938

1,020

1,180

31,706

1,023

10.8

12,41

62,890

June

1,360

1,550

1,660

1,660

1,610

1,840 

1,750

1,410

1,250

1,180

1,240

1,990

1,800

1,490

1,340

1,220

1,280

1,330

1,170

1,180

1,160

1,170

1,770

1,180

1.090

1,560

2,010

2.020

1,646

1,670

44,580

1,486

15.6

17.45

88,420

July

l,2fO

1,120

1,040

1,4£0

1,930

1,270 

*1,1?0

952

896

1,310

1,160

1,570

1,330

1, 1EO

1,150

1,100

1,040

1,150

1,100

1,060

1,020

1,300

1,900

2,080

2.520

1,690

1,150

854

819 "STT

O4 ) 

963

39,347

1,269

13.4

15.40

78,040

Aug.

966

854

952

1,140

1,220

1.500 

1,100

952

1,060

1,060

1,000

1,200

1,090

875

826

854

784

770

718

660

616

712

784

686

580

520

481

465

455 

455

660

25,795

832

8.76

10,10

51,160

Sept.

896

604

536

574

826

1,420 

1,370

1,100

1,150

994

1,440

889

744

*640

508

425

561

315

297

55?

430

580

460

590

552

561

492

2,140

4,750

4.990

50,384

1,015

10.7

11,89

60, 270

Mean 722 Cfam 7.60 In. 103.47 Ac-ft 524,200

Water year 1956-57: Max 4,990 Min - Mean 678 Cfam 7.14 In. 96.87 Ac-ft 490,800

Peak discharge (base, 5,500 cfa). Oct. 6 (6:50 a.m.) 4,200 cfa (9.75 ft); Sept. 30 (8:50 p.m.)

8,090 cfa (12.65 ft). ___ _____ ________

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by ice Dec. 4-26, Jan. 8 to Feb. 23. No gage-height record Feb. 24 to Apr. 21 (stage-discharge relation affected by ice during most of period); discharge 

estimated on basis of 1 discharge measurement, weather records, and records for stations on nearby 

streams.
SOUTHEASTERN ALASKA 11

Cascade Creek near Petersburg

Location. Lat 57°01' , long 132°47' , on right bank 0.25 mile upstream from mouth on east 

shore of south arm of Thomas Bay, 2f miles downstream from Swan Lake, and 15 miles 

northeast of Petersburg.

Drainage area. 23.0 sq mi.

Records available.--October 1917 to November 1928, October 1946 to September 1957. Monthly 

discharge only for some periods, published in WSP 1372. Prior to October 1920, published as "at Thomas Bay, near Petersburg."

Gage. Water-stage recorder. Altitude of gage is 120 ft (by barometer). Prior to October 

1946, at different datum.

Average discharge. 22 years, 244 cfs (176,600 acre-ft per year).

Extremes. Maximum discharge during year, 2,350 cfs Sept. 30 (gage height, 8.58 ft), from 

rating curve extended above 1,000 cfs; minimum, 30 cfs Mar. 28, caused by temporary 

storage behind ice jam upstream.

1917-28, 1946-57: Maximum discharge, 3,280 cfs Sept. 11, 1947 (gage height, 10.0ft, 

from floodmarks), from rating curve extended above 1,000 cfs; minimum, 11 cfs Mar. 27, 

1948, Mar. 27, 1954, and Mar. 20, 21, 1956, caused by temporary storage behind ice Jam 

upstream; minimum gage height, 0.68 ft Mar. 27, 1948.

Remarks. Records good except those for periods of no gage-height record, which are fair. 

Swan Lake, at elevation about 1,500 ft, has an area of 614 acres and a drainage area of 

18.9 sq mi.

Revisions. WSP 1372: Drainage area.

Discharge, in cubic feet per second, water year October 1956 to September 1?57

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

277

231

*191

213

225

378

320

305

580

550

535

430

311

287

255

213

206

236

187

158

146

132

117

108

102

95

90

88

86 

84

82

7,218

233

10.1

11.67

14,320

Nov.

78

§5

93

84

80

78

80

117

157

151

140

154

133

124

117

111

104

95

104

203

499

400

348

338

382

511

385

291

231

477

6,160

205

8.91

9.96

12,220

Dec.

616

395

275

193

156

134

120

111

102

94

89

87

83

79

75

74

8?

101

97

93

85

83

92

214

216

251

481

499

430

332

269

6,011

194

8.43

9.72

11,920

Jan.

201

162

139

125

117

105

94

a50

2,143

69.1

3.00

3.47

4,250

Feb.

,

> a38

J

38

38

37

62

44

42

42

69

54

45

43

41

51

49

38

36

36

36

36

36

36

36

,

I a35

J -

1,164

41.6

1.81

1.88

2,310

Mar.

1

a35

*34

34

34

34

35

34

34

34

34

34

34

38

36

34

34

34

33

32

32

32

32

31

35

34

36

1,055

34.0

1.48

1.71

2,090

Apr.

38

55

63

55

52

41

41

53

48

45

42

40

38

37

44

50

47

48

49

48

49

56

52

53

59

62

84

69

70

62

1,550

51.7

2.25

2.51

3,070

May

83

104

92

114

99

100

114

153

195

240

269

*271

271

293

345

365

370

421

493

520

505

451

398

362

380

448

421

433

365 

340

348

9,363

302

13.1

15.14

18,570

June

382

436

505

553

565

598

598

559

514

481

478

606

577

511

460

427

460

478

457

457

433

421

508

454

410

410

496

520

514 

454

14,722

491

21.3

23.80

29,200

July

418

398

390

514

583

*517

445

382

342

352

380

439

439

415

398

378

370

378

382

385

405

457

538

718

809

630

490

392

345 

342

540

13,771

444

19.3

22.27

27,310

Aug.

352

352

360

388

418

418

392

365

392

410

427

445

436

395

370

368

365

358

338

318

305

328

355

345

315

295

279

261

251 

246

281

10,928

353

15.3

17.67

21,680

Sept.

370

328

289

285

320

511

586

481

487

592

620

490

*430

390

320

265

223

T9~8 196

210

251

283

265

236

220

223

420

1,260

1,650 

2,040

14,439

481

20.9

23.35

28,640

Calendar year 1956: Max 1,100 Mln 13 Mean 252 Cfsm 11.0 In. 149.40 Ac -ft 183,300

Water year 1956-57: Max 2,04O Mln 31 Mean 243 Cfsm 10.6 In. 143.15 Ac-ft 175,600

Peak discharge (base, 1,100 cfs).--Sept. 50 (5:50 a.m.) 2,550 cfs (8.58 ft).___________________

* Discharge measurement made on this day.

a No gage-height record; discharge estimated on basis of recorded range in stage, weather records, 

and records for stations on nearby streams.

5E7570 O -59 -2
12 SOUTHEASTERN ALASKA

Long River near Juneau

Location. Lat 58°10'00", long 133°41'50", on right bank three-eighths of a mile upstream 

from Indian Lake, 1 mile downstream from Long Lake, and 27 miles southeast of Juneau.

Drainage area. 32.5 sq mi.

Records available. October 1915 to September 1924, October to December 1926, June 1927 to 

May 1933, October 1951 to September 1957. Monthly discharge only for some periods, 

published in WSP 1372. Prior to January 1921, published as "below Seiond Lake, at Port 

Snettisham."

Gage.--Water-stage recorder. Altitude of gage is 183 ft (from topographic map). Prior to 

tJct. 1, 1929, at site 600 ft upstream at different datum.

Average discharge.--20 years (1915-24, 1927-32, 1951-57), 455 cfs (329,400 acre-ft per 

year).

Extremes. Maximum discharge during year, 5,310 cfs Sept. 30 (gage height, 10.56 ft), from 

rating curve extended above 2,100 cfs by logarithmic plotting; minimum observed, 28 cfs 

Mar. 28 (discharge measurement).

1915-24, 1927-33, 1951-57: Maximum discharge, 6,000 cfs Sept. 10, 1927 (gage height, 

10.2 ft, site and datum then in use), from rating curve extended above 1,700 cfs by 

logarithmic plotting; minimum recorded, 22 cfs Mar. 22, 1933.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Revisions. WSP 1372: Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

618

506

450

464

420

538

474

424

566

632

854

70?

520

510

499

402

331

380

312

262

246

216

186

168

146

128

118

125

130

136

127

11,590

374

11.5

13.26

22,990

Nov.

136" 114

196

175

152

155

159

186

325

356

312

345

290

253

225

220

196

171

186

235

698

766

786

994

1,190

1,200

976

738

594

706

13,035

434

13.4

14.92

25,850

Dec.

1,140

766

516

368

285

233

196

171

100

320

380

704

1.510

1,170

802

597

10,758

347

10.7

12.31

21,340

Jan.

427

323

262

227

216

90

3,795

122

3.75

4.34

7,530

Feb.

45

-

1,260

45.0

1.38

1.44

2,500

Calendar year 1956: Max 2,250 Mln -

Mar.

35

(*)

1,085

35.0

1.08

1.24

2,150

Apr.

 ^r 45

J

64

59

59

74

100

100

83

90

79

74

64

70

70

74

75

76

80

84

103

101

96

116

128

122

101

162

175

2,614

87.1

2.68

2.99

5,180

May

166

TS5

206

257

285

283

285

307

328

353

368

368

374

414

450

530

611

628

730

806

734

684

639

576

548

608

674

667

566

499

492

14,624

472

14.5

16.73

29,010

Mean 456 Cfsm 14.

June

555

S55

698

774

850

944

971

533

926

874

810

930

*971

866

822

822

814

778

758

762

842

810

758

712

684

702

786

798

738

709

24,042

801

24.6

27.51

47,690

July

706

734

770

899

1,060

935

794

698

650 650"

702

904

917

810

746

726

720

730

774

810

790

786

935

1,510

1,310

1,040

858

750

716

730

770

25,730

830

2F.5

29.44

51,C30

Aug.

798

782

766

834

886

866

794

790

866

944

958

5TT

862

786

762

778

786

770

766

802

826

958

953

858

766

702

656

628

65?

842

25,029

807

24.8

28.64

49,640

Sept.

1,070

917

750

667

664

770

917

908

1,200

1,820

1,780

1,280

1,050

894

723

604

499

411

359

356

569

826

953

790

646

576

712

1,490

2,020

4.510

30,731

1,024

31.5

35.17

60,950

0 In. 191.13 Ac-ft 331,300

Water year 1956-57: Max 4,510 Mln - Mean 450 Cfsm 13.8 In. 187.99 Ac-ft 325,900

Peak discharge (base, 2,000 cfs).--Sept. 10 (7 p.m.) 2,080 cfs (6.45 ft); Sept. 30 

cfs (10.56 ft).

a.m.) 5,310
SOUTHEASTERN ALASKA 13

Dorothy Creek near Juneau

Location. Lat 58°13 I 40", long 134 0 02'25", on left bank 0,7 mile downstream from Lake Bart, 

0.8 mile upstream from mouth, 3 miles downstream from Lake Dorothy, and 14 miles southeast of Juneau.

Drainage area. 15.2 sq mi.

Records available. October 1929 to October 1941, September 1942 to December 19^3, June 

1944 to September 1957. Monthly discharge only for some periods, published in WSP 1372.

e.--Water-stage recorder. Altitude of gage is 350 ft (from topographic map). Prior to 

ept. 14, 1937, at site 100 ft upstream from mouth at different datum.

Average discharge. 26 years (1929-41, 1942-43, 1944-57), 143 cfs (103,500 acre-ft per 

year).

Extremes. --Maximum discharge during year, 898 cfs Sept. 30 (gage height, 4.58 f-,); minimum 

observed, 12 cfs Mar. 27 (discharge measurement).

1929-41, 1942-57: Maximum discharge, 1,780 cfs Nov. 3, 1949 (gage height, 5.85 ft), 

from rating curve extended above 560 cfs; minimum recorded, 6 cfs Mar. 23, 25, 28, 1933.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are fair. Dorothy Lake (area, 952 acres) lies at an altitude of 2,423 ft, less 

than 4 miles from mouth of Dorothy Creek; Lieuy Lake (area, 80 acres) lies at an altitude of 1,711 ft; and Bart Lake (area, 250 acres) lies at an altitude of 986 ft.

Revisions. WSP 1372: Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ift

Oct.

154

150

145

141

134

134

128

128

141

143

150

154

152

157

157

145

143

139

130

122

117

108

102

94

86

80

72

67

62

60

56

3,746

121

7.96

9.17

7,430

Nov.

52

52

51

49

47

45

43

46

52

49

55

130

*167

170

170

165

2,488

82.9

5.45

6.09

4,930

Dec.

110

60

45

44

48

60

90

140

200

230

210

190

170

3,127

101

6.64

7.65

6,200

Jan.

150

130

*124

120

117

108

101

94

88

80

70

63

57

51

47

42

39

36

33

30

28

28

26

25

24

23

22

21

20

20

20

1,837

59.3

3.90

4.49

3,640

Feb.

19

T?

19

18

18

18

17

17

17

17

» b!7

-

485

17.3

1.14

1.19

962

Mar.

> b!5

> b!3

(*)

443

14.3

0.941

1.08

879

Apr.

b!5

> b!6

19

19

20

21

21

21

24

22

22

22

521

17.4

1.14

1.27

1,030

May

23

28

32

37

39

40

43

48

53

60

65

71

74

80

88

97

104

119

130

143

152

157

160

*162

162

162

164

164

162

157

154

3,130

101

6.64

7.66

6,210

June

152

T54

160

164

172

183

195

214

227

240

244

258

275

293

307

311

304

297

286

272

275

268

264

254

247

240

237

240

240

233

7,206

240

15.8

17.63

14,290

July

233

233

240

261

300

311

300

279

258

237

227

230

233

233

227

220

214

210

210

217

224

233

244

*286

346

358

334

304

279

258

247

7,986

258

17.0

19.54

15,340

Aug.

240

237

230

230

233

240

247

247

247

250

258

261

264

261

254

244

237

233

230

230

233

250

279

300

297

282

261

240

230

227

237

7,709

249

16.4

18.86

15,290

Sept.

258

268

261

247

233

237

261

275

297

398

515

472

411

366

323

289

254

227

207

192

136

186

195

204

207

204

207

230

310

708

8,628

288

18.9

21.11

17,110

Calendar year 1956: Max 792 Min - Mean 136 Cfam 8.95 In. 121.93 Ac-ft 98,810

Water year 1956-57: Max 708 Min - Mean 130 Cfam 8.55 In. 115.74 Ac-ft 93,810

Peak discharge (base, 40O cfa). Sept. 11 (l p.m.) 525 cfa (3.90 ft); Sept. 30 (11 p.m.) 898 cfa 

(4.58 ft).____________________________________________________________________

* Dlacharge measurement made on thia day. 

b Stage-discharge relation affected by Ice.

Note. No gage-height record Nov. 10-26, Nov. 29 to Jan. 2j discharge estimated on beala of recorded range In atage, weather records, and recorda for Gold Creek at Juneau.
14 SOUTHEASTERN ALASKA

Carlson Creek near Juneau

Location. Lat 58°19'00", long 134°10'15", on left bank between two unnamed tributaries, 

\\ miles upstream from mouth, if miles downstream from Sheep Pork, anc? 8^ miles east of 

Juneau.

Drainage area. 24.3 sq ml.

Records available. July 1951 to September 1957.

Gage_.--Water-stage recorder. Altitude of gage Is 130 ft (from topographic map).

Average discharge. 6 years, 320 cfs (231,700 acre-ft per year).

Extremes. Maximum discharge during year, 4,500 cfs Sept. 30 (gage height, 9.55 ft), from 

rating curve extended above 2,000 cfs; minimum not determined.

1951-57: Maximum discharge, that of Sept. 30, 1957; minimum not determined.

Remarks. Records good except those for periods of no gage-height record, which are poor.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

18

13

14

15

16

17

18

19

20

21 

22

23

24

25

26

27

28 

29

30

31

fatal

Mean

Cfsm

In.

Ac-ft

Oct.

529

388

350

372

297

541

316

311

635

674

959

430

302

309

355

265

241

403

247

185

169 

136

113

103

88

76

79

89 

78

74 

68

9,182

296

12.2

14.05

18,210

Nov.

66

86

112

76

68

88

93

140

382

342

210

215

150

118

97

94

78

72

140

283

1,750 

687

771

1,420

1,670

 1,440

955

560 

532

719

13,414

447

18.4

20.53

26,610

Dec.

950

340

200

150

100

50

' 30

150

430

2,170 

880

433 

302

6,905

223

9.18

10.57

13,700

Jan.

210

167

*132

113

143

108

60

28

1,861

60.0

2.47

2.85

3,690

Feb.

25

(*)

700

25

1.03

1,07

1,390

Mar.

17

( )

527

17

0.700

0.81

1,050

Apr.

( )

> 50

36

40

42

46

53

63 

72

75

85

102

126

iso" 224

108

97

2,079

69.3

2.85

3.18

4,120

May

108

180

238

261

234

202

251

385

382

372

372

360

352

385

456

613

610

885

930

766

687

613

494

*439

462

695

675

596 

466

439 

522

14,430

465

19.1

22.08

28,620

June

644

727

830

885

975

980

940

880

852

723

644

1, 110

656

699

727

703

648

616

634

655

861 

627

606

610

667

667

789

638 

550

560

22,303

743

30.6

34.13

44, 240

July

568

599

596

1,040

784

536

473

459

459

543

727

798

f43

445

470

E22

522

E22

630

532

522 

560

1,060

 1, 260

703

504

436

424 

462

470

484

18,633

602

24.8

28.55

37,000

Aug.

445

394

409

470

430

394

352

406

480

448

380

365

333

278

297

295

293

269

290

257

293 

557

394

318

271

238

224

207 

271

284

57_1

10,913

352

14.5

16.70

21,650

Sept.

400

267

215

205

253

352

456

476

885

1,520

679

394

375

302

232

195

164

140

149

200

557 

789

738

335

251

243

620

834 

1,700

2,090

16,016

534

22.0

24.51

31,770

Calendar year 1956: Max 2,170 Mln - Mean 329 Cfsm 13.5 In. 184.51 Ac-ft 239,100

Water year 1956-57: Max 2,170 Mln - Mean 321 Cfsm 13.2 In. 179. 03 Ac-ft 232,000

Peak discharge (base, 2,500 cfs).--Nov. 21 (2 p.m.) 2.790 cfs (7.04 ft); Dec. 28 

cfs (6.87 ft); Sept. 30 (3 a.m.) 4,500 cfs (9.55 ft).

3:30 a.m.) 2,690

* Discharge measurement made on this day.

Note. No gage-height record Dec. 2-25, Jan. 7 to Apr. 15 (stage-discharge relation affected by 

ice during most of period); discharge estimated on basis of 3 discharge measurements, weather records, and records for Gold Creek at Juneau.
SOUTHEASTERN ALASKA 15

Sheep Creek near Juneau

Location. Lat 58°16'30", long 134°18'50", on right bank 0.3 mile upstream from diversion 

dam of Alaska-Juneau Gold Mining Co. 's Sheep Creek power-plant, 1 mile northeast of 

Thane, l£ miles upstream from mouth, and 4 miles southeast of Juneau.

Drainage area. 4.30 sq mi.

Records available. January 1911 to December 1913, August 1916 to December 1920, October 

1946 to September 1957. Monthly discharge only for some periods, published in WSP 1372. 

Prior to 1946, published as "near Thane.

Gage. Water-stage recorder and wooden control. Datum of gage is 643.5 ft above mean sea 

level (levels by Conservation Division, U. S. Geological Survey). Prior to August 1916, 

staff gage at same site and datum.

Average discharge. 17 years, 46.3 cfs (33,520 acre-ft per year).

Extremes. Maximum discharge during year, 466 cfs Sept. 30 (gage height, 2.52 *";); no flow 

Mar. 21-31.

1911-13, 1916-20, 1946-57: Maximum discharge, 840 cfs Sept. 8, 1948 (gage height, 

3.60 ft); no flow at times at gage site but probably some flow at all times at diversion 

dam 0.3 mile downstream (records for period 1916-20 based on measurements at diversion 

dam).

Remarks. Records good except those for periods of no gage-height record, which are poor. 

Revisions. WSP 1372: Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11 

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

66

55

53

62

53

75

57

66

94

92

moc

68

82

82

*68

60

68

55

46

43

36

33

28

25

23

22

21

19

19

18

1,678

54.1

12.6

14.51

3,330

Nov.

17

16

16

16

15

14

T4

14

34

35

33 

45

33

28

25

24

22

19

21

38

142

94

94

184

213

231

T72

120

102

*117

1,948

64.9

15.1

16.85

3,860

Dec.

139

52

15

} -

33

41

82

280

136

102

82

1,561

50.4

11.7

13.50

3,100

Jan.

64

53

45

38

36

30

26

23

21

*19

11

586

18.9

4.40

5.07

1,160

Feb.

 ' 4.0

"

112.0

4.0

0.930

0.97

222

Mar.

(*)

, 1.5

> 0

30.0

0.97

0.226

0.26

60

Apr.

3.5

> 4.5

1C

*11

14

16

20

34

26

23

22

260.5

8.68

2,02

2,25

517

May

22

33

43

46

41

36

41

46

55

55

55 

51

49

53

70

82

82

112

T12" 117

94

80

68

62

66

77

80

80

68

68

75

2,019

65.1

15.1

17.46

4,000

June

87

89

94

97

104

115

107

99

97

82

75 

123

^9

87

84

82

77

77

77

77

107

84

80

82

82

*84

97

80

70

66

2,661

88.7

20.6

23.01

5,280

July

66

68

68

97

89

72

66

62

60

60

70 

94

64

51

49

45

45

48

51

46

53

64

102

94

72

60

53

49

55

55

55

1,983

64.0

14.9

17.15

3,930

A'lg.

49

41

43

53

45

39

35

*39

45

43

38 

33

27

24

27

27

25

24

25

23

23

29

26

24

22

20

19

19

29

32

35

983

31.7

7.37

8.50

1,950

Sept.

29

22

19

T9

23

27

27

30

66

175

97 

64

53

43

36

31

26

23

24

24

64

89

89

53

43

39

60

72

141

216

1,724

57.5

13.4

14.91

3,420

Calendar year 1956: Max 280 Mln 0 Mean 45.2 Cfsm 10.5 In. 143.10 Ac-f". 32,820

Water year 1956-57: Max 280 Mln 0 Mean 42.6 Cfsm 9.91 In. 134.44 Ac-f; 30,830

Peak discharge (base, 460 cfs). Sept. 30 (4:30 a.m.) 466 cfs (2.52 ft).

* Discharge measurement made on this day.

Note. No gage-height record Dec. 2-24, Jan. 7 to Apr. 22} discharge estimated on basis of 2 dl 

charge measurements, weather records, and records for Gold Creek at Juneau.
16 SOUTHEASTERN ALASKA

Gold Creek at Juneau

Location.--Lat 58°18'25", long 134°24'05", on left bank 10 ft downstream from highway 

bridge, 150 ft upstream from Alaska Electric Light and Power Co. dam and diversion, 

half a mile northeast of Juneau, and 1 mile upstream from mouth.

Drainage area. 9.76 sq mi.

Records available --July 1916 to December 1920, October 1946 to Septembe" 1948, October 

1949 to September 1957.

gage. Water-stage recorder. Altitude of gage is 245 ft (from topographic map). July 20, 

1916, to Dec. 31, 1920, water-stage recorder at site 50 ft upstream at different datum. 

Sept. 11, 1946, to Sept. 30, 1948, staff gage at site 0.7 mile downstream at different 

datum.

Average discharge . 14 years (1916-20, 1946-48, 1949-57), 104 cfs (75,29? acre-ft per year).

Extremes. Maximum discharge during year, 1,320 cfs Sept. 30 (gage height, 5.83 ft); minimum daily, 2.3 cfs Mar. 28, 29.

1916-20, 1946-48, 1949-57: Maximum discharge, 2,600 cfs Sept. 26, 1918 (gage height, 

6.8 ft, site and datum then in use), from rating curve extended above 520 cfs; no flow 

at times during 1951 and 1956.

Remarks.--Records good except those for periods of ice effect or no gage-height record, 

which are fair. One small diversion above station for domestic water supply.

Revisions. WSP 1372: Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19 

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

146

118

110

112

94

141

103

110

197

191

270

168

130

141

133

110

98

122

92

77

72

58

54

48

40

32

29

29

26

24

23

3,098

99.9

10.2

11.80

6,140

Nov.

20

24

26

22

*20

24

23

31

98

90

77

108

70

55

46

39

31

28

35 

100

*526

262

224

467

615

610

426

298

273

290

4,958

165

16.9

18.89

9,830

Dec .

347

203

140

110

90

75

60

52

45

40

35

31

28

*26

23

21

20

19

18

17

16

15

20

30

b50

b90

b!30

*633

273

167

*122

2,946

95.0

9.73

11.23

5,840

Jan.

89

69

58

50

48

38

b33

*28

26

25

(*)

20

(*)

> 11

(*)

785

25.3

2.59

2.99

1,560

Calendar year 1956: Max 633 Mln

Feb.

(*)

7.2

(*)

5.4

(*)

> 4.4

(*)

-

161.2

5.76

0.590

0.61

320

0

Mar.

(*)

3.0

2.7

(*)

*2.5

2.5

2.3

2T3

2 5

85.4

2.75

0.282

0.33

169

Apr.

3.9

13

23

23

15

11

9.4

9.4

9.4

9.1

8.8

8.1

7.8

7.5

7.5

9.1

10

11

12 

13

16

21

19

21

24

26

63

38

29

25

503.0

16.8

1.72

1.92

998

May

27

16

*72

83

70

60

63

92

101

104

106

104

101

122

170

214

224

298

m*234

195

155

140

155

214

221

214

179

170 

168

4,707

152

15.6

17.94

9,340

Mean 109 Cfsm 11.

June

230

260

277

290

327

339

315

298

290

260

244

359

284

247

247

247

234

230

230 

237

315

250

237

224

234

240

*277

237

201

195

7,855

262

26.8

29.93

15,580

July

201

211

208

319

273

195

170

158

158

167

247

290

195

152

146

143

149

152

195 

158

170

195

300

304

*217

161

134

125

146

158

161

5,958

192

19.7

22.70

11,820

Aug.

146

125

134

176

152

140

117

128

161

161

131

106

92

*78

89

92

87

83

89 

74

83

146

104

83

74

63

61

*60

109

112

152

3,408

110

11.3

12.99

6,760

2 In. 151.88 Ac-ft 79,

Sept.

104

69

60

65

85

104

109

128

221

*466

221

128

117

94

74

61

52

45

50 

60

170

234

232

101

81

81

176

204

464

*579

4,635

154

15.8

17.66

9,190

050

Water year 1956-57: Max 633 Mln 2.3 Mean 107 Cfsm 11.0 In. 148.99 Ac-ft 77,550

Peak discharge (base, 600 cfs). --Nov. 21 (2:15 p.m.) 686 cfs (4.21 ft): Nov. 25 (8 p.m.) 806 cfs

(4.43 ft); Dec. 2 (10 a.m.] 875 cfs (4.93 ft); Sept. 10 (12:30 p.m.) 750 cfs (4.48 ft),- Sept. 30

(3 a.m.) 1,320 cfs (5.83 ft)

* Discharge measurement made on this day.

b Stage -discharge relation affected by lee.

Note. No gage-height record Dec. 3-24, Jan. 8 to Mar. 25 (stage-discharge relation affected by 

Ice during most of period); discharge estimated on basis of 11 discharge measurenents, weather records, and records for stations on nearby streams.
SOUTHEASTERN ALASKA 17

Lemon Creek near Juneau

Location. Lat 58°23'30", long 134°25'15", on left bank a quarter of a mile upstream from 

Canyon Creek, 4-j miles upstream from mouth, and 6 miles north of Juneau.

Drainage area. 12.1 sq mi.

Records available. August 1951 to November 1953, July 1954 to September 1957. 

Gage. Water-stage recorder. Altitude of gage Is 650 ft (from topographic map). 

Average discharge.--5 years, 147 cfs (106,400 acre-ft per year).

Extremes. Maximum discharge during year, 1,970 cfs Sept. 30 (gage height, 3.97 ft), from 

rating curve extended above 650 cfs by logarithmic plotting; minimum not determined.

1951-57: Maximum discharge, 2,080 cfs Sept. 14, 1952 (gage height, 4.08 ft), from 

rating curve extended above 650 cfs by logarithmic plotting; minimum not determined.

Remarks. Records good except those for periods of no gage-height record, which are poor.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

76

62

63

65

43

60

43

54

158

152

160

96

66

62

53

42

39

44

32

27

27

24

21

19

*17

15

14

12

11

10

9_

1,576

50.8

4.20

4.84

3,130

Nov.

9

24

36

23

22

24

15

38

202

118

95

254

310

172

138

140

178

168

2,110

70.3

5.81

6.49

4,190

Dec.

118

40

10

>. 15

100

292

Ho

75

55

1,300

41.9

3.46

4.00

2,580

Jan.

14

434

14

1.16

1.33

861

Feb.

5

-

140

5

0.413

0.43

278

Mar.

3

93

3

0.248

0.29

184

Apr.

6

( )

, 13

285

9.50

0.785

0.88

565

May

1"

51

51

56

58

58

61

76

95

120

178

270

296

240

198

172

148

124

120

*142

134

120

98

96

124

3,331

107

8.84

10.24

6,610

June

162

195

215

231

279

320

310

306

306

279

264

310

355 338"

352

334

330

310

302

296

313

292

292

292

310

310

313

306

282

yac £Db

8,800

293

24.2

27.05

17,450

July

306

330

327

422

413

327

296

299

296

282

391

436

348

306

279

*276

310

313

413

387

395

379

426

602

525

371

316

327

395

431

454

11,378

367

30.3

34.97

22,570

Arc,.

387

344

404

520

422

391

395

485

626

644

495

408

387

367

444

426

383

355

355

341

387

540

480

444

391

327

*313

296

338

371

579

13,045

421

34.8

40.09

25,870

Sept.

476

348

338

400

472

449

449

436

720

1,180

783

500

568

422

327

264

220

172

185

285

540

858

734

418

359

418

880

776

898

1.450

16,305

544

45.0

50.11

32,340

Calendar year 1956: Max 1,160 Mln - Mean 147 Cfsm 12.1 In. 165.34 Ac-f-. 106,700

Water year 1956-57: Max 1,430 Mln - Mean 161 Cfsrn 13.3 In. ISO. 72 Ac-f" 116, 6OO

Peak discharge (base. 1,200 cfs).--Sept. 10 (11:30 a.m.) 1,440 cfs (3.40 ft); Sept. 27 (1:30 p.m.)

1,200 cfs (3.12 ft); Sept. 30 (2 a.m.) 1,97O cfs (3.97 ft).

* Discharge measurement made on this day.

Note. No gage-height record Oct. 22 to Nov. 7, Nov. 13-19, Dec. 2-27, Dec. 30 to May 7 (stagedischarge relation affected by ice during most of period); discharge estimated on basis of 1 discharge measurement, weather records, and records for Sold Creek at Juneau.
18 SOUTHEASTERN ALASKA

Perseverance Creek near Wacker

Location. Lat 55°24'40", long 131°40'05", on Revillagigedo Island, on right bank 500 ft 

downstream from Perseverance Lake, half a mile upstream from Connell Lake, 2 miles east 

of Wacker, and 4 miles north of Ketchikan.

Drainage area. 2.81 sq mi.

Records available. October 1931 to September 1938, November 1938, June to September 1939, 

October 1946 to September 1957. Monthly discharge only for some periods, published in 

WSP 1372.

Gage. Water-stage recorder and wooden control. Altitude of gage is 600 ft (from topographic map). Prior to October 1946, at site 100 ft upstream at different datum.

Average discharge.--18 years (1931-38, 1946-57), 36.5 cfs (26,420 acre-ft per year).

Extremes. Maximum discharge during year, 387 cfs Dec. 24 (gage height, 4.38 ft), from 

rating curve extended above 150 cfs; minimum daily, 0.4 cfs Sept. 26.

1931-39, 1946-57: Maximum discharge, 543 cfs Oct. 30, 1949 (gage height, 5.26 ft), 

from rating curve extended above 150 cfs; minimum daily, that of Sept. 26, 1957.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Revisions.. WSP 1372: Drainage area.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

1Z

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

Z9

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

50

*85

46

28

50

54

52

49

60

79

54

54

131

TSS

67

50

42

35

27

38

44

30

21

23

20

15

1,548

49.9

17.8

20.49

3,070

Nov.

14

43

99

61

37

Z7

23

50

161

99

70

134

62

46

62

68

65

40

38

110

271

T15

50

35

24

22

18

13

10

13

1,880

62.7

22.3

24.88

3,730

Dec.

158

81

37

18

8.5

5.5

4.6

5.2

4.0

3.5

3.0

2.8

2.8

2.5

*2.2

39 2.0

101

114

101

49

38

47

157

254

181

167

143

75

64

74

1,924.6

62.1

Z2.1

25.47

3,820

Jan.

54

3Z

23

17

16

22

17

10

2.5

248.5

8.02

2.85

3.29

493

Feb.

8.0

_

224.0

8.00

2.85

2.96

444

Mar.

(*)

> 4.5

27.

21

16

16

17

13

,

I 8.0

18

253.5

8.18

2.91

3.36

503

Apr.

28

44

55

48

35

24

17

13

12

13

13

12

10

TT

17

20

18

18

17

16

20

53

54

41

41

72

~9"4 165

61

40

1,082

36.1

12.8

14.32

2,150

May

34

45

48

49

44

34

31

36

40

39

36

33

29

29

31

37

40

49

41

35

33

29

25

22

46

106

86

~60 1Z1

40

30

1,358

43.8

15.6

17.97

2,690

June

Z5

Zl

ZO

18

16

16

13

11

10

8.0

13

29

28

21

16

11

12

13

11

10

13

40

65

48

34

55

59

47

30

25

738.0

24.6

8.75

9.77

1,460

July

21

16

13

47

37

24

16

11

9.5

9.0

7.5

*8.5

8.0

6.4

5.8

4.9

4.3

3.5

3.2

2.8

2.2

11

28

83

129

66

34

ZO

12

9.0

8 5"

661.1

21.3

7.58

8.75

1,310

Aug.

7.0

6.4

5.2

4.0

3.5

11

23

20

12

7.5

5.8

4.6

3.8

3.5

3.0

2.5

2.2

2.0

1.8

1.4

i±i

1.2

3.2

3.8

3.8

3.5

3.2

2.8

Z.5

2.2

3£

190.6

6.15

2.19

2.52

378

Sept.

46

27

16

9.5

18

38

43

39

28

19

12

9.0

6.7

5.5

4.3

3.8

2.8

2.5

*2.2

2.2

2.0

1.8

1.4

1.1

.6

.4

178

11

108

120

582.6

19.4

6.90

7.71

1,160

Calendar year 1956: Max 336 Min - Mean 39.1 Cfam 13.9 In. 189.43 Ac-ft 28,400

water year 1956-57: Max 271 Min 0.4 Mean 29.3 Cfam 10.4 In. 141.49 Ac-ft 21,210

Peak discharge (base, 250 cfs).--Nov. 21 (12:30 p.m.) 330 cfa (4.05 ft); Dec. 24 (11:30 p.m.) 

587 efa (4.58 ft). ___

* Discharge meaaurement made on this day.

Note.--Ho gage-height record Oct. ' - - 

affected by ice during part of peri 

corded range in stage, weather recoj. u 

relation affected by ice Mar. 13-19.
SOUTHEASTERN ALASKA 19

Ward Creek near Wacker

Location.--Lat 55°25'50", long 131°40'00", on Revillagigedo Island, on right bank threequarters of a mile downstream from Connell Lake Dam, 2^ miles northeast of Wacker, and 

5| miles north of Ketchikan.

Drainage area.--14.0 sq mi.

Records available.--October 1948 to September 1957.

Gage.--Water-stage recorder. Altitude of gage is 150 ft (from topographic map). Prior to 

June 20, 1952, water-stage recorder at several sites three-quarters of a mile upstream 

at various datums. June 20 to Dec. 11, 1952, staff gage at present site ant? datum.

Extremes. Maximum discharge during year, 971 cfs Dec. 25 (gage height, 6.97 ft), from 

rating curve extended above 230 cfs; minimum, 0.6 cfs June 16, 17, 18.

1948-57: Maximum discharge, 2,600 cfs Apr. 16, 1952 (gage height, 6.83 ft, site and 

datum then in use); minimum daily, 0.5 cfs Aug. 28 to Sept. 5, 1954.

Remarks.--Records good except those for periods of ice effect, and those above 350 cfs, 

which are poor. Flow regulated by Lake Connell starting in October 1953 (capacity, 

11,510 acre-ft). Water diverted above station from Lake Connell by 60-inch pipeline 

for use by Ketchikan Pulp Co. at Ward Cove.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

27

29

50

46

62

*56

49

48

64

54

54

56

127

216

185

259

413

393

153

54

69

71

48

87

119

51

35

37

36

34 

34

3,016

97.3

5,980

Nov.

22

40

138

114

45

20

12

HI

521

275

281

309

167

52

94

192

177

76

53

222

619

296

142

42

41

32

21

20

19

24

4,147

138

8,230

Dec .

198

176

58

23

19

18

18

18

18

19

18

18

18

18

*18

17

37

42

37

162

97

62

125

383

649

395

319

351

179

141

219

3,870

125

7,680

Jan.

136

64

47

46

45

48

25

9.0

6.6

6.6

8.6

10

8.3

4.3

9.0

10

11

8.0

4.3

p. b4.5

5.2

561.4

18.1

1,110

Feb.

2.5

2.4

2.0

1.9

1.9

1.9

1.8

179

3.5

24

4.9

27

109

7.2

6.6

12

9.5

6.6

b3.7

b2.8

b2.5

b2.2

b2.0

b8.5

24

18

4.9

3.7

-

298.9

10.7

593

Mar.

3.7

3.7

3.4

3.1

2.8

2.8

3.1

5.2

*4.6

11

6.9

5.2

5.8

7.6

5.2

4.3

4.3

9.5

8.3

20

8.0

6.2

8.0

22

7.2

5.5

4.9

4.3

4.9

7.2

12

210.7

6.80

418

Apr.

14

16

12

9.0

7.6

7.2

6.2

5.8

5.5

6.2

5.5

4.9

4.3

TT6

6.2

6.2

5.2

4.9

4.6

4.3

4.9

33

20

12

12

17

35

20

27

52

373.1

12.4

740

May

56

57

60

59

57

*28

6.2

6.6

5.8

4.9

4.6

4.3

4.6

4.3

4.0

4.3

8.3

22

20

20

20

19

18

10

9.5

22

41

159

110

72

39

956.4

30.9

1,900

June

9.5

9.0

8.3

8.0

7.6

7.2

6.9

6.6

6.2

2.2

1.2

1.3

1.0

.9

.7

.6

78

.6

1.0

3.4

4.3

42

87

109

68

162

153

109

57

50

924.3

30.8

1,830

July

35

24

28

55

48

46

45

38

25

24

24

*24

23

23

2_2

22

22

22

22

22

22

37

46

63

61

49

47

45

45

45

47

1,101

38.5

2,180

Aug.

42

?a

18

18

18

20

20

19

18

18

17

17

17

16

16

16

16

16

16

16

16

16

18

17

17

16

16

16

15

15

25

569

18.4

1,130

Sept.

19

16

16

15

27

34

26

22

22

29

29

29

22

8.6

8.3

8.3

8.3

8.0

*8.0

8.0

8.0

9.8

13

13

13

15

13

IS

2V

116

607.3

20.2

1,200

Calendar year 1956: Max 679 Min 0.8 Mean 61.5 Ac-ft 44,680

Water year 1956-57: Max 649 Min 0.6 Mean 45.6 Ac-ft 32,990

* Discharge measurement made on this day. 

b Stage-discharge relation affected by ice
20 SOUTHEASTERN ALASKA

Mahoney Creek near Ketchikan

Location. Lat 55°25'30", long 131°30'45", on Revillagigedo Island, on right bank an

eighth of a mile upstream from mouth, an eighth of a mile downstream from Mahoney Lake, 

and 8 miles northeast of Ketchikan.

Drainage area.--5.70 sq mi.

Records available.--September 1920 to October 1925, September 1926 to October 1933, October 1947 to September 1957. Monthly discharge only for some periods , published in 

WSP 1372. Prior to January 1921 published as "at George Inlet."

Gage.--Water-stage recorder. Altitude of gage is 45 ft (by barometer). Prior to October 

1947, at different datum.

Average discharge.--22 years, 107 cfs (77,460 acre-ft per year).

Extremes. Maximum discharge during year, 838 cfs Dec. 25 (gage height, 3.35 ft), minimum, 

8.6 cfs Feb. 1-10 (gage height, 0.55 ft).

1920-25, 1926-33, 1947-57: Maximum discharge, 2,530 cfs Feb. 2, 1954 (gage height, 

4.66 ft), from rating curve extended above 1,100 cfs; minimum daily, 1.5 cfs Jan. 30 to 

Feb. 1, 1950.

Remarks.--Records good except those for periods of ice effect or no gage-height record, 

which are fair. Mahoney Lake at elevation 76 ft has an area of 163 aires.

Revisions.--WSP 1372: Drainage area.

Discharge in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

152

107

226

246

*189

306

140

71

111

142

115

117

134

177

123

117

202

279

171

109

82

70

54

61

73

52

40

40

32

30 

28

3,796

122

21.4

24.77

7,530

Nov.

26

66

189

130

68

46

38

82

404

292

183

242

132

88

130

111

127

64

52

101

494

292

136

91

69

59

58

47

40

37

3,894

130

22.8

25.41

7,720

Dec .

409

258

107

56

40

34

30

27

25

23

22

21

20

*19

18

18

21

88

206

152

83

62

73

216

580

450

320

382

216

162

192

4,330

140

24.6

28.25

8,590

Jan.

"70 125

52

41

36

38

36

32

27

24

22

20

19

19

18

17

16

15

14

13

13

12

11

11

10

9.6

9.6

9.4

9.2

9 0 

8.8

766.6

24.7

4.33

5.00

1,520

Feb.

8.6

8.6

8.6

8.6

8.6

8.6

8.6

8.6

8.6

8.6

9.0

10

24

32

3T

29

28

26

23

21

20

19

y b!5

1

-

448.0

16.0

2.81

2.92

889

Calendar year 1956: Max 601 Min -

Mar.

blO

23

24

*22

21

> 19

522

16.8

2.95

3.41

1,040

Apr.

50

1,500

50.0

8.77

9.79

2,980

May

140

*109

113

103

105

99

103

111

130

152

202

155

123

123

119

109

89

17?

376

317

392

195

136 

117

4,770

154

27.0

31.12

9,460

June

115

121

130

132

134

142

130

111

97

89

134

242

226

158

111

93

117

136

115

96

89

280

512

ST5

183

284

292

230

132

105

5,051

168

29.5

32.96

10,020

Jvly

91

76

74

212

174

101

74

63

59

*62

61

70

71

67

66

67

68

70

71

71

67

153

174

342

480

220

111

69

56

53_

3,451

111

19.5

22.52

6,840

Aug.

56

49

44

43

46

110

~93 140

68

54

48

44

43

40

38

36

35

33

32

30

28

28

30

33

34

32

30

28

26

25 

104

1,480

47.7

8.37

9.66

2,940

Sept.

165

83

54

43

66

168

320

TSS

101

66

50

43

38

33

30

27

25

*24

23

22

21

21

20

19

19

19

19

25

220 

209

2,171

72.4

12.7

14.16

4,310

Mean 97.0 Cfam 17.0 In. 231.74 Ac-ft 70,440

Water year 1956-57: Max 580 Min 8.6 Mean 88.2 Cfsm 15.5 In. 209.97 Ac-ft 63,840

Peak discharge (base, 950 cfs). No peak above base.

* Discharge measurement made on this day. 

b Stage-discharge relation affected by ice.

Note. No gage-height record Dec. 5-13, Mar. 14 to May 8; discharge estimated on basis of recorde 

range in stage, weather records, and records for stations on nearby streams.
SOUTHEASTERN ALASKA 21

Falls Creek near Ketchikan

Location.--Lab 55°36'50", long 131°20'55", on Revillagigedo Island, on left bank 1,100 ft

upstream from mouth on east shore of Carroll Inlet, 1.1 miles downstream from Swan Lake,

and 22 miles northeast of Ketchikan.

Drainage area. 36.5 sq mi.

Records available.--August 1916 to January 1926, September 1927 to December 1933, October 

1946 to September 1957. Monthly discharge only for some periods, published in WSP 1372. 

Prior to January 1921, published as Swan Lake Outlet at Carroll Inlet.

Gage. Water-stage recorder. Altitude of gage is 130 ft (from topographic map). August 

1916 to January 1926 and September 1927 to November 1933, at site about 1,000 ft upstream at different datum.

Average discharge. 26 years (1916-25, 1927-33, 1946-57), 460 cfs (333,000 acre-ft per 

year).

Extremes. Maximum discharge during year, 1,750 cfs Nov. 21 (gage height, 4.69 ft); minimum, 49 cfs Feb. 9 (gage height, 2.00 ft).

1916-26, 1927-33, 1946-57: Maximum discharge, about 5,500 cfs Nov. 1, 19]7; minimum 

daily, 19 cfs Feb. 21-25, 1925.

Remarks.--Records good. Swan Lake has an area of 1,050 acres. 

Revisions (water years). WSP 1372: 1918, drainage area.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

1Z

13

14

15

16

17

18

19

20

Zl

22

23

24

25

26 

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

415

436

723

1,120

*925

1,320

952

614

654

695

744

848

751

751

688

716

1,090

1, 390

1,010

744

608

513

420

385

375

324 

269

231

214

195

183

20,303

655

17.9

20.69

40,270

Nov.

174

238

480

469

380

315

265

361

997

1,100

880

1,030

800

602

614

595

595

464

385

553

1,400

1,350

916

702

559

464 

410

342

294

285

18,019

601

16.5

18.36

35,740

Dec .

779

943

647

452

337

269

220

201

174

159

150

141

135

120

108

102

126

231

415

474

400

337

319

535

1,500

1,650 

1,450

1,520

1,120

925

856

16,775

541

14.8

17.09

33,270

Jan.

695

508

400

319

273

265

249

201

171

156

135

126

115

106

102

98

95

90

85

85

85

83

81

76

71

69 

64

62

62

60

58

5,047

163

4.47

5.14

10,010

Feb.

58

58

56

56

53

53

51

5l

51

53

56

58

126

150

153

147

147

141

132

120

112

100

93

88

76

73

71

69

2,452

87.6

2.40

2.50

4,860

Mar.

67

64

62

62

60

58

58

58

58

62

67

*69

71

71

71

71

71

90

105

135

147

144

150

156

T50

138 

123

112

108

112

129

2,899

93.5

2.56

2.95

5,750

Apr.

156

220

306

294

302

261

220

198

189

189

186

180

171

168

183

207

220

242

257

242

245

342

390

370

352

356 

547

660

667

565

8,885

296

8.11

9.05

17,620

May

518

608

709

898

832

660

559

583

634

654

634

595

553

530

553

565

602

688

709

660

621

583

524

469

513

997 

1,140

1,280

988

779

674

21,312

687

18.8

21.71

42,270

June

634

614

621

595

571

583

553

496

458

425

436

595

640

571

508

452

442

447

430

415

430

621

1,090

1,010

779

934 

961

824

647

595

18,377

613

16.8

18.72

36,450

July

513

425

370

469

518

458

395

342

324

342

342

366

385

361

342

337

315

294

273

245

231

333

464

876

1,550

1,040 

716

515

405

547

561

14,032

453

12.4

14.30

27,850

Avfi;.

524

275

251

210

201

255

311

289

245

214

195

192

198

195

180

171

159

147

138

126

120

118

138

150

156

150 

158

126

118

110

TI5

£,691

184

5.04

5.80

11,290

Sept.

141

141

155

125

168

579

889

786

602

452

366

298

258

198

174

155

138

126

115

108

102

98

95

90

83

78 

76

154

565

757

7,988

266

7.29

8.14

15,840

Calendar year 1956: Max 2,460 Min 33 Mean 421 Cfsm 11.5 In. 156.96 Ac-ft 305,600

Water year 1956-57: Max 1,630 Mln 51 Mean 388 Cfsm 10.6 In. 144.45 Ac-ft 281,200

Peak discharge (base, 1,800 cfs). No peak above base.

* Discharge measurement made on this day.
22 SOUTHEASTERN ALASKA

Fish Creek near Ketchikan

Location.--Lat 55°23'30", long 131°11'40" , on Revillagigedo Island, on right bank 50 ft 

upstream from outlet of Low Lake, 600 ft upstream from mouth at head of Thorne Arm, and 

18 miles east of Ketchikan.

Drainage area. 32.1 sq mi, excludes that of Granite Lake drainage basin.

Records available.--May 1915 to October 1935, October 1938 to September 1957. Monthly 

discharge only for some periods, published in WSP 1372. Prior to January 1921, published as "near sea level, Revillagigedo Island."

Gage. Water-stage recorder. Altitude of gage is 20 ft (by barometer). May 1915 to 

November 1935 at same site at different datum.

Average discharge.--39 years, 416 cfs (301,200 acre-ft per year).

Extremes.--Maximum discharge during year, 1,960 cfs Dec. 26 (gage height, 3.18 ft); minimum, 29 cfs Feb. 7 (gage height, 0.49 ft).

1915-35, 1938-57: Maximum discharge, 4,600 cfs Nov. 1, 1917 (gage height, 5.33 ft, 

datum then in use), from rating curve extended above 1,400 cfs; minimum daily, 20 cfs 

Sept. 9, 10, 1928.

Remarks.--Records good. Lakes in the basin are as follows: Basin Lake (240 acres), 

Mirror Lake (1,350 acres), Third Lake (l80 acres), Big Lake (358 acres), and Low Lake 

(55 acres).

Revisions (water years).--WSP 1372: 1918.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

462

535

589

833

960

1.280

990

662

553

*565

605

766

820

865

766

730

883

1,170

1,100

802

645

565

434

454

407

337

262

225

205

182

169

19,811

639

19.9

22.95

39,290

Nov.

156

256

490

565

455

337

268

273

858

1,110

1,020

1,180

1,000

730

679

670

730

542

420

490

1,130

1.540

1,070

757

575

427

343

284

230

195

18,758

625

19.5

21.73

57,210

Dec.

579

960

757

498

545

240

190

177

152

158

120

108

*100

95

84

85

120

319

704

920

713

542

542

892

1,840

1.910

1,860

1,750

1,330

1,030

970

19,864

641

20.0

23.01

39,400

Jan.

811

558

427

525

268

515

273

215

165

134

106

96

83

75

70

67

62

57

54

53

49

46

42

39

56

34

31

30

30

34

57

4,620

149

4.64

5.55

9,160

Feb.

37

37

36

35

51

50

50

32

38

48

53

64

182

319

557

290

235

205

173

144

116

100

86

75

70

68

64

64

-

2,997

107

3.55

3.47

5,940

Mar.

62

59

57

54

55

50

51

56

57

68

*83

81

81

84

79

75

74

83

108

173

177

177

190

190

177

156

130

108

100

100

113

3,106

100

3.12

3.60

6,160

Apr.

156

251

295

531

319

278

240

200

182

169

165

156

144

141

156

182

200

210

220

220

225

414

476

420

388

400

550

775

829

670

9,362

312

9.72

10.85

18,570

May

535

512

605

802

856

662

520

*476

505

528

520

512

441

414

407

414

441

498

542

528

505

476

434

388

581

722

1,200

1,460

1,100

795

615

18,790

606

18.9

21.77

37,270

June

528

476

455

454

407

400

594

562

525

295

284

400

565

558

476

400

549

531

313

295

307

427

645

784

704

739

858

T75

629

565

14,460

482

15.0

16.75

28,680

July

469

374

307

351

462

462

381

507

278

284

*278

284

501

290

275

251

230

205

182

165

200" 152

381

629

1.140

1,100

757

512

381

295

273

11,954

385

12.0

13.85

23,670

Aug.

240

205

173

148

130

195

331

355

290

230

182

165

173

175

152

154

115

100

93

84

79

79

88

110

120

116

108

96

86

79

81

4,708

152

4.74

5.45

9,340

Sept.

96

110

116

110

124

343

990

1,010

748

528

388

290

215

169

*137

116

100

90

81

77

72

68

67

64

60

59

67

79

503

1.070

7,947

265

8.26

9.21

15,760

Calendar year 1956: Max 2,660 Min 29 Mean 412 Cfsm 12.8 In. 174.64 Ac-ft 299,000

Water year 1956-57: Max l,giO Min 30 Mean 574 Cfsm 11.7 In. 157.97 Ac-ft 270,400

Peak discharge (base, 1,800 cfs).--Dec. 26 (9 p.m.) 1,960 cfs (3.18 ft). 

* Discharge measurement made on this day.
SOUTHEASTERN ALASKA 23

Ella Creek near Ketchikan

Location. Lat 55°30'20" , long 131°01'25", on Revillagigedo Island, on left bank 1 mile 

downstream from Lower Ella Lake, 1.5 miles upstream from mouth at Ella Bay, and 

28 miles northeast of Ketchikan.

Drainage area. 19.7 sq mi.

Records available.--October 1927 to September 1938, August 1947 to September 19,37. 

Monthly discharge only for some periods, published in WSP 1372.

Gage. Water-stage recorder. Altitude of gage is 150 ft (by barometer). Prior to August 

1947, at different datum.

Average discharge. 21 years, 245 cfs (177,400 acre-ft per year).

Extremes. Maximum discharge during year, 1,000 cfs Dec. 25 (gage height, 4.33 ft); minimum, 22 cfs Feb. 6, 7 (gage height, 1.26 ft).

1927-38, 1947-57: Maximum discharge recorded, 1,720 cfs Dec. 7, 1930 (gage height, 

5.60 ft, datum then in use); minimum daily, 12 cfs Sept. 7-12, 1930, Jan. 30 to Feb. 2, 

1950.

Remarks. Records good. Ella Lake, 1 mile above station, has an area of 1,930 acres. 

Revisions. WSP 1372; Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

20.6 19"8

270

344

395

542

435

*359

363

359

407

407

419

463

443

483

515

569

524

471

427

387

334

344

334

285

246

220

198

178

166

11,291

364

18.5

21.32

22,400

Nov.

151

186

310

273

237

209

183

217

479

451

471

668

515

447

455

475

495

399

344

451

722

618

507

443

367

313

270

234

198

180

11,268

376

19.1

21.27

22,350

Dec.

351

316

258

212

178

153

136

134

122

110

98

*90

87

80

71

67

124

264

379

475

387

348

371

618

880

915

925

855

718

623

610

10,955

353

17.9

20.68

21,730

Jan.

507

427

359

299

264

261

234

196

171

147

130

118

105

94

86

78

70

63

57

52

46

42

39

35

33

31

30

27

27

29

30

4,087

132

6.70

7.72

8,110

Feb.

29

28

26

24

23

22

22

26

30

42

46

56

199

176

155

147

143

138

125

112

101

90

80

75

67

63

60

56

-

2,159

77.1

3.91

4.08

4,280

Mar.

51

49

44

40

36

35

34

35

37

*44

57

57

56

57

56

54

51

69

81

105

107

105

110

115

TT3

107

96

87

83

83

92

2,146

69.2

3.51

4.05

4,260

Apr.

110

151

186

190

183

169

155

145

143

142

136

127

120

120

132

142

140

143

143

138

143

243

255

246

249

270

379

415

395

341

5,851

195

9.90

11.05

11,610

May

324

334

344

423

391

344

*310

302

292

279

258

240

220

212

201

198

193

201

198

198

198

188

176

162

190

348

363

443

379

330

296

8,535

275

14.0

16.11

16,930

June

264

240

214

190

176

166

149

140

129

117

124

147

158

153

145

136

134

127

117

115

122

169

240

255

243

299

299

279

255

252

5,554

185

9.39

10.48

11,020

July

225

196

176

206

201

186

169

*153

147

145

142

142

140

127

122

113

105

96

87

80

li

104

170

302

544

324

279

240

214

1 Q^ lyo 

180

5,582

174

8.85

10.16

10,680

Aus.

160

145

129

115

109

155

166

149

156

122

110

107

107

99

90

85

76

69

62

56

51

51

60

77

77

71

66

60

54

49 

56

2,913

94.0

4.77

5.50

5,780

Calendar year 1956: Max 1,130 Mln is Mean 225 Cfsm 11.4 In. 155.74 Ac-ft 153,

Sept.

90

83

76

69

86

515

552

352

315

267

251

205

175

153

136

*120

107

96

88

86

78

74

67

62

56

54

60

87

258

299

4,491

150

7.61

8.48

8,910

600

Water year 1956-57: Max 925 Mln 22 Mean 2O4 Cfsm io.4 In. 140.90 Ac-ft 148, 1OO

Peak discharge (base, 70O cfs). Nov. 12 (4 a.m.) 755 cfs (3.83 ft); Nov. 21 (2 p.m.) 865 eta 

(4.05 ft); Dec. 25 (2 a.m.) 1,000 cfs (4.33 ft).

* Discharge measurement made on this day.
24 SOUTHEASTERN ALASKA

Manzanita Creek near Ketchikan

Location. Lat 55°36' , long 130°59' , on Revillagigedo Island, on right bank a quarter of 

a mile upstream from mouth at Manzanita Bay, East Behm Canal, 2 miles downstream from 

Manzanita Lake, and 31 miles northeast of Ketchikan.

Drainage area. 33.9 sq mi.

Records available. October 1927 to September 1937, August 1947 to September 1957. 

Monthly discharge only for some periods, published in WSP 1372.

Gage_. Water-stage recorder. Altitude of gage is 140 ft (by barometer). 

Average discharge.--20 years, 462 cfs (334,500 acre-ft per year).

Extremes.--Maximum discharge during year, 2,890 cfs Sept. 6 (gage height, 7.26 ft); minimum, 105 cfs Mar. 7 (gage height, 1.55 ft).

1927-37, 1947-57: Maximum discharge, 3,870 cfs Oct. 13, 1949 (gage height, 8.19 ft), 

from rating curve extended above 1,600 cfs by logarithmic plotting; minimum not 

determined.

A discharge of 4,480 cfs occurred sometime during the period 1938-47 (gage height, 

8.7 ft, from floodmark in well).

Remarks. Records good. There are two lakes above gage, Manzanita Lake (1,610 acres) and 

January Lake on North Pork Manzanita Creek.

Revisions. WSP 1372; Drainage area.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4 

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27 

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

464

397

590

638 

748

894

688

586

*657

623

824

748

748

800

752

804

930

970

864

816

740

692

604

615

572

498

448 

416

388

364 

349

20,227

652

19.2

22.19

40,120

Nov.

329

TX5

612

445 

391

364

343

491

925

716

736

988

724

661

708

752

688

579

550

840

1.400

1,020

884

804

716

642

572 

518

467 

464

19,774

659

19.4

21.69

39,220

Dec.

1,090

748

627

543 

484

435

394

373

349

323

*307

294

279

262

251

240

294

481

532

575

448

419

495

1,000

1,380

1,420

1.540 

1,450

1,300

1,160

1,120

20,613

665

19.6

22.61

40,890

Jan.

ISS 7BTT

7oo

615 

557

572

488

426

382

355

320

302

284,

269

251

236

228

214

206

194

182

175

169

157

151

146

146 

136

133

131

l g8

9,966

321

9.47

10.93

19,770

Calendar year 1956: Max 1,740 Mlr

Feb.

126

122

119

116 

113

111

110 noill

114

114

117

320

208

176

169

178

175

160

151

143

136

130

128

126

124

121 

121

-

3,949

141

4.16

4.33

7,830

Mar.

118

115

114

112 

109

107

106

106

108

113

121

117

114

116

115

115

114

135

146

178

146

142

148

145

138

131

126 

121

126

140 

154

3,896

126

3.72

4.27

7,730

Apr.

182

236

247

226 

220

200

188

186

194

206

198

186

182

202

247

238

230

240

240

236

253

373

337

307

312

358

586 

604

343 

498

8,455

282

8.32

9.28

16,770

May

522

572

597

728 

653

608

593

*615

631

615

593

572

561

564

546

554

561

597

586

572

550

539

508

484 586-

974

934

1.010

860 

792

740

19,817

639

18.8

21.74

39,310

June

696

665

631

600 

582

561

525

491

467

438

471

572

518

481

454

426

432

406

388

397

397

561

582

564

557

776

712 

642

597 

631

16,220

541

16.0

17.79

32,170

Jily

518

474

448

586 

501

481

435

403

388

422

394

413

391

355

352

332

315

302

289

276

267

400

498

712

760

619

529 

467

432 

4OO

391

13,550

437

12.9

14.87

26,880

Aug.

355

329

309

289 

284

376

337

302

281

269

253

260

258

236

226

216

206

196

188

180

173

175

188

186

173

164

156 

149

145 

140

171

7,170

231

6.81

7.87

14,220

Sept.

206

164

154

188

838

474

426

382

334

312

289

267

253

240

228

*218

210

200

196

190

184

178

171

164

160

182 

337

608 

635

8,536

285

8.41

9.36

16,930

i - Mean 44O Cfam 13. 0 In. 176.72 Ac-ft 319, 50O

Water year 1956-57: Max 1,540 Mln 1O6 Mean 417 Cfsm 12.3 In. 166.93 Ac-ft 301,800

Peak discharge (base, 1.7OO cfs). Nov. 21 (2 p.m.) 1.8OO cfs (5.95 ft); Dec. 24 (11:3O p.m.) 2,54O 

cfs (6.88 ft); Dec. 27 (6 p.m.) 1,940 cfs (6.15 ft) j Sept. 6 (12 m.) 2,890 off- (7.26 ft).

* Discharge measurement made on thla day.
SOUTHEASTERN ALASKA 25

Sawmill Creek near Sltka

Location. Lat 57°03'05", long 135°13'40", on Baranof Island, on left bank 100 ft downstream from Sltka Public Utilities abandoned hydroelectric plant, 500 ft upstream from 

mouth, ij miles downstream from Blue Lake, and 4 miles east of Sltka.

Drainage area. 39.0 sq ml.

Records available.--September 1920 to December 1922, February 1928 to September 1942, October 1945 to September 1957. Monthly discharge only for some periods, published in 

WSP 1372.

Gage.--Water-stage recorder, Altitude of gage is about 4 ft above mean sea level. Prior 

H;o Apr. 12, 1947, staff gages or water-stage recorders at several sites within 1,500 ft 

of present site at various daturas.

Average discharge. 28 years, 485 cfs (351,100 acre-ft per year).

Extremes.--Maximum discharge during year, 4,630 cfs Sept. 30 (gage height, 8.17 ft); minimum, 48 cfs Mar. 10-17 (gage height, 1.11 ft).

1920-22, 1928-42, 1945-57: Maximum discharge, 7,100 cfs Sept. 8, 1948 (gFge height, 

10.20 ft), from rating curve extended above 2,600 cfs by logarithmic plotting; minimum, 

9.1 cfs Mar. 4, 1951 (gage height, 0.47 ft).

Remarks.--Records good except those for periods of no gage-height record, which are fair. 

Blue Lake, 1.6 miles upstream, has an area of 495 acres.

Cooperation. Water-stage recorder inspected by employees of Sitka Public Utilities. 

Revisions (water years).--WSP 1372: 1929(M).

Discharge, In cubic fe

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18 

19

20

21

22

23

24

25

26

27

28 

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

1,030

755

705

1.270

870

775

690

659

745

614

715

682

520

755

890

632

578

690 

542

398

322

264

221

193

172

153

145

721 

218

190

170

16,784

541

13.9

16.01

33,290

Nov.

150

Tsff

178

175

161

158

156

172

378

605

551

755

574

422

390

366

296

244 

240

303

1,310

1,440

906

934

1,400

1.960

1.2OO

830 

725

1,260

18,397

613

15.7

17.54

36,490

Dec.

5.270

1,640

800

488

362

289

240

202

172

158

150

140

130

118

110

105

TlO

130 

156

211

202

172

153

161

350

479

618

2,250 

1,680

939

632

16,617

536

13.7

15.85

32,960

Jan.

458

342

286

240

264

240

196

170

150

140

130

120

110

100

95

90

85

80 

76

72

69

66

*63

, 59

4,114

133

3.41

3.92

8,160

Feb.

60

76

99

128

m110

105

|

^ 100

j

97

2,306

82.4

2.11

2.20

4,570

Mar.

8878-

71

67

61

60

51

51

49

49

4848"

48

*48

48

48

48

63

61

58

58

58

58

56

56

54

53

51 

49

53

54

1,743

56.2

1.44

1.66

3,460

Apr.

54

84

132

148

148

140

132

128

121

118

114

110

107

105

103

101

101

101 

105

112

121

142

153

153

164

167

221

250 

234

208

4,077

136

3.49

3.89

8,090

May

190

252

310

426

390

322

303

358

446

497

510

502

470

438

492

582

686

"9"28- 961 

*77O

636

560

524

466

438

479

538

546 

474

442

479

15,365

496

12.7

14.65

30,480

June

574

672

765

780

780

870

855

780

735

710

710

770

710

628

632

614

705

775 

710

636

628

592

632

636

569

587

632

632 

578

556

20,435

681

17.5

19.49

40,550

July

546

546

558

605

652

546

462

406

'59U 590

422

564

596

524

470

454

422

462 

555

618

664

659

795

820

815

705

551

446 

406

414

450

16,851

545

15.9

16.05

55,580

Aug.

466

454

454

462

502

484

466

462

515

546

542

488

426

394

390

410

414

418 

394

354

326

406

515

479

410

354

318

292 

300

338

410

13-169

425

10.9

12.56

26.120

Sept.

479

418

558

542

614

810

659

510

484

868

1,100

755

569

479

406

550

500

268 

161

514

566

*785

668

450

522

286

454

852

1,250

5. 790

19,727

658

16.9

18.81

39,150

Calendar year 1956: Max 3,270 Mln 24 Mean 461 Cfsm 11.8 In. 160.98 Ac-ft 334,900

Water Water year year 1956-57: 1956-57: Max Max 3,790 3,790 Mln Mln 48 48 Mean Mean 410 410 Cfsra Cfsra 10.5 10.5 In. In. 142.63 142.63 Ac-ft Ac-ft 296,700 296,700

Peak discharge (base, 2,7OO cfs).--Dec. 1 (10 a.m.) 5,690 cfs (6.99 ft); Sept. 50 (8 a.m.) 4,650 of 

(8.17 ft).

* Discharge measurement made on this day.

Note. No gage-height record Jan. 8 to Feb. 14, Feb. 22-27j discharge estimated on basis of 1 discharge measurement, weather records, and records for stations on nearby streams.
26 SOUTHEASTERN ALASKA

Deer Lake Outlet near Port Alexander

Location. Lat 56°31' , long 134°40' , on Baranof Island, on right bank at tidewater at Mist 

Cove , an eighth of a mile downstream from Deer Lake and 19 miles north of Port 

Alexander.

Drainage area. 9.2 sq mi, approximately.

Records available. June 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage is about 1 ft above mean sea level.

Average discharge. 6 years, 159 cfs (115,10° acre-ft per year).

Extremes.--Maximum discharge during year, 463 cfs Dec. 1 (gage height, 3.16 ft); minimum 

daily, 30 cfs Feb. 5-8.

1951-57: Maximum discharge, 642 efs Oct. 22, 1953 (gage height, 3.47 ft); minimum, 

9.4 cfs Mar. 23, 1956 (gage height, 0.73 ft), caused by temporary storage behind ice 

Jam upstream.

Remarks. Records fair. There are two lakes above gage, Deer Lake (968 acres), and Deer 

Upper Lake (139 acres).

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

Z

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ao-ft

Oct.

142

147

199

261

275

IsB" 300

280

266

244

*227

216

210

236

231

227

253

270

261

240

227

210

202

192

184

167

159

162

157

147 

140

6,717

217

23.6

27.15

13,320

Nov.

130

134

130

125

119

114

110

123

147

157

178

210

206

202

216

213

202

189

192

196

248

270

270

275

285

326

326

295

266

280

6,134

204

22.2

24.80

12,170

Dec.

436

414

342

295

257

227

206

196

181

167

154

145

136

127

117

110

no

114

119

123

121

119

119

125

145

159

172

253

310

320

348

6,167

199

21.6

24.93

12,230

Jan.

336 3~IO

285

248

224

210

189

172

159

147

136

127

119

110

102

95

89

84

78

71

67

60

57

51

48

45

43

41

40

3_6

3,817

123

13.4

15.43

7,570

Feb.

36

34

33

32

30

30

30

30

32

34

34

35

41

42

49

55

60

61

60

57

55

47

41

45

51

51

49

50

1,204

43.0

4.67

4.87

2,390

Mar.

49

47

45

43

42

42

40

51

57

58

57

56

55

55

*53

51

50

56

55

51

49

47

49

50

49

47

46

45

44

43

43

1,525

49.2

5.35

6.16

3,020

Apr

47

E2

76

79

76

75

75

74

71

70

68

65

63

62

60

58

56

55

54

54

62

76

82

83

85

91

101

102

ToT

99

2,182

72.7

7.90

8.82

4,330

May

*98

103

130

154

157

154

150

152

152

154

157

154

152

150

147

159

178

189

192

192

189

184

178

170

170

184

210

224

235

202

5,220

168

18.3

21.10

10,350

June

196

192

189

186

*181

175

172

170

167

162

159

164

162

159

157

152

162

170

170

152

159

172

236

280

270

257

266

275

261

240

5,813

194

21.1

23.50

11,530

July

227

2T6

206

216

210

199

186

178

170

162

157

150

145

140

134

130

125

119

116

114

110

TT6

123

159

186

192

186

178

170

162

154

5,036

162

17.6

20.36

9,990

Aug.

147

140

134

125

119

117

114

109

105

101

98

95

91

85

82

78

73

70

67

63

61

73

78

75

71

69

65

62

60

59 

57

2,778

89.6

9.74

11.23

5,510

Sept.

102

101

99

95

110

134

152

154

TBT

147

134

*132

127

121

114

109

102

96

92

87

84

79

74

69

67.

71

73

76

89

127

3,169

106

11.5

12.81

6,290

Calendar year 1956: Max 512 Kin 27 Mean 153 Cfsm 16.6 In. 225.72 Ao-ft 110,700

Water year 1956-57: Max 436 Kin 30 Mean 136 Cfsm 14.8 In. 201. 16 Ao-ft 98,700

Peak discharge (base, 350 cfs).--Dec. l (4 p.m.) 463 cfs (3.16 ft); Dec. 31 (3 p.m.) 358 cfs 

(2.97 ft).___________________________________________________________________ 

* Discharge measurement made on this day.
SOUTHEASTERN ALASKA 27

Takatz Creek near Baranof

Location. Lat 57°08'35", long 134°51'50", on Baranof Island, on left bank at tidewater at 

Takatz Bay, 2 miles downstream from Takatz Lake, and 4 miles north of Bara-iof.

Drainage area. 17.5 sq mi.

Records available.--July 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage is about 4 ft above mean sea level.

Average discharge. 6 years, 261 cfs (189,000 acre-ft per year).

Extremes. Maximum discharge during year, 3,990 cfs Sept. 30 (gage height, 5.52 ft), from 

rating curve extended above 660 cfs by logarithmic plotting; minimum, 24 cfs Feb. 7, 8 

(gage height, 1.51 ft).

1951-57: Maximum discharge, 4,820 cfs Sept. 14, 1952 (gage height, 5.79 ft), from 

rating curve extended above 660 cfs by logarithmic plotting; minimum not dstermined.

Remarks. Records good. Takatz Lake has an area of 425 acres.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-rt

Oct.

376

294

1,060

1,020

402

376

260

282

299

246

255

232

224

322

272

237

346

266

232

182

151

118

95

99

85

72

65

83

74

64

60

8,149

263

15.0

17.32

16,160

Nov.

55

95

105

74

63

62

62

97

250

186

182

203

136

121

196

139

103

88

97

133

435

299

282

370

528

704 530"

340

266

507

6,678

223

12.7

14.19

13,250

Dec.

1,560

563

322

246

196

160

130

124

101

88

81

78

71

65

61

58

64

64

81

95

72

70

74

85

151

160

163

428

402

340

316

6,469

209

11.9

13.75

12,830

Jan.

246

196

154

113

111

97

90

84

74

66

60

55

52

49

47

46

45

43

40

39

38

36

35

33

32

31

29

28

?5

28

28

2,053

66.2

3.78

4.36

4,070

Feb.

27

26

25

25

25

25

24

?5

28

41

46

45

68

60

65

62

58

51

44

39

37

35

49

41

44

38

37

37

-

1,127

40.2

2.30

2.40

2,240

Mar.

35

32

30

29

28

26

25

ST

46

40

38

35

33

36

34

32

32

36

35

31

28

28

31

32

30

30

32

32

32

32

37

1,034

33.4

1.91

2.20

2,050

Apr.

58

67

70

63

56

52

51

51

51

53

52

48

45

44

42

45

48

52

58

62

88

97

83

81

78

83

~95 145

78

72

1,968

65.6

3.75

4.18

3,900

May

*78

166

266

277

203

166

186

232

250

246

246

250

250

246

255

370

500

521

494

428

370

346

316

288

328

376

422

364

299

304

9,325

301

17.2

19.82

18,500

June

358

416

494

*500

528

585

563

521

500

480

474

521

454

422

442

435

542

549

500

454

435

507

830 60"0

480

494

645

662

514

454

15,359

512

29.3

32.64

30,460

July

461

461

461

592

480

370

328

294

299

322

364

480

422

364

358

364

364

376

442

521

507

704

630

1,200

760

507

358

316

299

322

352

14,078

454

25.9

29.92

27,920

Aug.

364

358

352

383

396

448

402

396

428

435

422

383

352

334

334

340

340

334

322

294

299

556

487

358

310

282

260

255

235

260

11,267

363

20.7

23.94

22,350

Sept.

428

316

272

266

974

851

585

376

322

409

416

299

288

250

219

206

186

154

151

163

*192

219

214

196

182

200

214

272

503

2,830

12,153

405

23.1

25.83

24,110

Calendar year 1956: Max 1,850 Min 16 Mean 255 Cfsm 14.6 In. 198.40 Ac-ft 185,200

Water year 1956-57: Max 2,830 Min 24 Mean 246 Cfsm 14.1 In. 190.55 Ac-ft 177,800

Peak discharge (base, 2,300 cfs). Oct. 3 (9 p.m.) 2,780 cfs (4.84 ft); Sept. 30 (8 a.m.) 3,990 cfs 

(5.52 ft).___________________________________________________

* Discharge measurement made on this day.

5Z7570 O -59 -3
28 SOUTHEASTERN ALASKA

Hasselborg Creek near Angoon

Location. Lat 57°39'40", long 134°14'S5" I on Admiralty Island, on right bank at outlet of 

Hasselborg Lake, 16 miles northeast of Angoon.

Drainage area. 56.2 sq mi.

Records available. June 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage is 295 ft (from topographic map).

Average discharge. 6 years, 311 cfs (225,200 acre-ft per year).

Extremes. Maximum discharge during year, 1,610 cfs Dec. 28 (gage height, 3.24 ft), from 

rating curve extended above 780 cfs; minimum not determined.

1951-57: Maximum discharge, 2,400 cfs Oct. 23, 1953 (gage height, 3.78 ft), from 

rating curve extended above 780 cfs; minimum not determined.

Remarks.--Records good except those for period of no gage-height record, which are poor. 

Hasselborg Lake has an area of 3,500 acres.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2 

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

51

Total

Mean

Cfsm

In.

Ac-ft

Oct.

441

441 

455

602

610

618

570

546

594

626

666

666

602

634

666

610

594

626

594

508

462

420

364

322

285

244

216

211

195

195

190

14,773

477

8.49

9.78

29,300

Nov.

180

255

261

244

228

216

258

315

364

413

500

492

462

478

485

448

399

350

378

650

735

717

950

1,080

1,190

1,060

861

726

854

15,689

525

9.51

10.58

51,120

Dec.

1,260

1,100 

861

642

508

415

557

509

261

228

200

180

165

150

152

152

146

146

141

150

146

146

146

170

267

543

634

1,450

1.470

1,240

1,060

14,533

469

8.35

9.62

28,830

Jan.

758" 861

594

485

427

571

315

255

228

206

alOO

6,550

211

3.75

4.33

12,990

Feb.

a55

1,540

55

0.979

1.02

3,050

Mar.

1

> a55

]

48

45

IB- 43

45

45

45

45

45

48

45

45

43

48

50

*50

50

52

58

62

62

62

62

65

62

62

1,614

52.1

0.927

1.07

5,200

Apr.

68

91 

128

165

206

211

216

222

228

255

222

211

190

170

165

165

165

170

185

200

222

505

557

578

399

399

462

492

46T

420

7,505

250

4.45

4.97

14,890

May

120" 399

492

554

562

522

508

538

578

610

610

586

554

515

500

530

570

594

642

658

658

618

562

508

478

500

558

586

546

500

470

16,906

545

9.70

11.19

33,550

June

462

470 

492

500

508

508

508

485

470

434

406

406

*406

599

385

371

364

357

345

322

336

350

357

545

556

515

529

515

309

505

11,889

396

7. OB

7.87

23,580

July

309

315 

522

454

522

508

462

406

357

315

305

515

556

509

285

267

244

253

228

216

211

216

255

364

500

508

448

392

356

297

267

10,480

558

6.01

6.94

20,790

Aug.

258

216 

200

185

170

175

170

170

*160

155

141

156

128

118

114

110

102

98

98

98

105

141

175

185

175

165

150

156

156

141

165

4,656

' 150

2.67

5.08

9,240

Sept.

180

170 

155

146

150

216

309

322

315

322

336

322

291

261

228

206

175

155

141

156

141

141

146

141

132

128 136"

180

255

726

6,662

222

3.95

4.41

15,210

Calendar year 1956: Max 1,470 Min - Mean 336 Cfsm 5.98 In. 81.30 Ac-ft 243,600

Water year 1956-57: Max 1,470 Mln - Mean 309 Cfsm 5.50 In. 74.66 Ac-ft 223,700

Peak discharge (base, 1,000 cfs). --Nov. 26 (4 a.m.) 1,240 cfs (2.95 ft); Dec. 1 (ll a.m.) 1,310 cfs 

(5.01 ft); Dec. 28 (10 p.m.) 1,610 cfs (5.24 ft). _________________________________________

Discharge measurement made on this day.

No gage-height record; discharge estimated on basis of recorded range in stage, weather records,

records for stations on nearb streams

gage-height 

and records for stations on nearby streams.
SOUTHEASTERN ALASKA 

Pavlof River near Tenakee

Location.--Lat 57°50 I 30", long 135°02'10", on Chichagof Island, on left bank 140 ft upstream from falls at outlet of Pavlof Lake and 8 miles northeast of Tenakee.

Drainage area. 24.3 sq mi.

Records available. June to September 1957.

Gage. Water-stage recorder. Altitude of gage is about 15 ft.

Extremes. Maximum discharge during period June to September, 2,070 cfs Sept. 30 (gage 

height, 6.79 ft), from rating curve extended above 250 cfs by logarithmic extension; 

minimum, 22 cfs Aug. 16-18 (gage height, 3.97 ft).

Remarks Records good.

Discharge, in cubic feet per second, June to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June

*Z62

267

286 262"

244

253

226

192

184

158

140

192

161

136

136

120

126

114

104

96

120

107

101

86

86

86

99

91

76

74

4,585

153

6.30

7.02

9,090

July

76

74

69

117

110

66

71

60

58

56

56

116

130

78

74

67

60

56

54

52

51

52

96

161

176

110

78

65

56

52

51

2,468

79.6

3.28

3.78

4,900

Aug.

45

43

40

38

40

43

43

37

35

34

31

30

28

27

24

22

2T

22

30

35

28

86

143

94

56

43

37

32

37

43

60

1,328

42.8

1.76

2.03

2,630

Calendar year : Max Min Mean Cfsm In. Ac-ft

Sept.

96

58

43

38

43

107

94

71

83

120

120

88

71

60

52

47

42

38

35

34

42

63

*67

52

45

45

91

117

379

1,500

3,741

125

5.14

5,73

7,420

Water year : Max Mln Mean Cfsm In. Ac-ft

Peak discharge (base, 1,000 efs). Sept. 50 (6:50 a.m.) 2,070 efs (6.79 ft). 

* Discharge measurement made on this day.
30 ALASKA WEST OP LONGITUDE 141°

Gakona River at Gakona

Location. Lat 62° 18 '05", long 145° 18 '20", near center of span on downstream side of 

bridge on Glenn Highway at Gakona, 500 ft upstream from mouth and 1.9 miles northeast 

of Junction of Richardson and Glenn Highways.

Drainage area.--620 sq mi, approximately.

Records available. Discharge: August to September 1948, October 1949 to September 1957. 

Chemical analyses: February 1952 to September 1954. 

Water temperatures: October 1952 to September 1954. 

Sediment records: 1953-57 (periodic).

Gage. --Wire-weight gage read once daily. Datum of gage is 1,403.03 ft above mean sea 

level. Aug. 8 to Sept. 13, 1948, staff gage at same site and datum.

Average discharge. 8 years, 947 cfs (685,600 acre-ft per year).

Extremes . Maximum discharge during year, 5,800 cfs May 20 (gage height, 6.50 ft, from

Remarks . Records fair except those for periods of ice effect or no gage-height record, 

which are poor. Some diurnal fluctuation caused by glacier melt at the source. Records 

of specific conductance of daily samples available in district office, Quality of Water 

Branch, at Palmer, Alaska.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

791

773

802

ITS

661

*539

440

381

350

521

509

501

301

289

278

263

252

238

228

218

215

206

199

190

190

199

206

199

190

176

170

10,654

544

21,130

Nov.

150

' 140

> 280

5,700

190

11,310

Dec.

360

(*)

120

, 140

6,340

205

12,580

Jan.

> 120

 91

3,256

105

6,460

Feb.

90

100

-

2,650

94.6

5,260

Mar.

170

. 200

(*)

5,750

185

11,400

Apr.

> 220

, 240

6,900

250

15,690

May

310

3ZO

340

370

400

430

460

505

538

622

727

904

1,540

2,290

3,000

5,600

4,590

5,220

5,550

5.600

5,540

4,630

4,120

3,550

3,080

3,510

3,470

3,210

3,050

2 , 690

2,600

76,144

2,456

151,000

June

2,250

2,250

2,560

2,380

2,630

2,860

2,970

5,580

5,570

5,530

3,080

5,210

5,190

5,350

*3,570

5,59O

5,47O

3,380

3,510

5,590

5,570

3,470

3,240

2,750

2,460

2,540

2,290

2,490

2,840

5,280

90,410

5,014

179,300

July

3,400

2,900

2,640

2,460

2,910

5,080

5,050

5,190

5,050

2,900

2,900

3,050

3,210

3,400

5,580

5,190

2,900

2,760

2,740

2,690

2,700

2,790

2,700

2,570

2,750

3,100

5.460

5,080

2,790

2,740

2,570

90,990

2,953

180,500

Aug.

2,490

*2,620

2,620

3,080

3,210

2,940

2,880

2,820

3,050

3,500

3,380

5,470

3,470

3,050

2,900

2,800

2,800

3,000

3,000

2,900

2,700

2,500

2,300

2,100

2,000

1,900

1,900

2,OOO

2,100

2,200

2,400

85,960

2,708

166,500

Sept.

2,600

*2,720

. 5,000

> 2,5OO

78,820

2,627

156,500

Calendar year 1956: Max 8,860 Min - Mean 1,O44 Ac-ft 758,100

Water year 1956-57: Max 5,600 Min - Mean 1,265 Ac-ft 915, 4OO
GAKONA RIVER AT GAKONA Continued

Chemical analyses, in parts per million, March to A

Date of collection

Mar. 29, 1957 .....

Aue. 1 ............

Mean 

discharge 

(cfs)

a 200 

3,330 

2.390 '

Silica 

(Si02)

11 

6.2 

5.9

Iron 

(Fe)

0.00 

.08

Calcium 

(Ca)

44 

25 

27

Magnesium 

(Mg)

10 

3.1 

5.2

Sodium 

(Na)

12

2.7 

3.1

Potassium 

(K)

2.3 

1.6 

1.8

Bicarbonate 

(HCO,)

171 

83 

81

Sulfate 

(SOJ

28 

11 

30

Chlor

(CD

10 

2.0 

2.0

a Daily mean discharge.

Periodic determinations of suspended-sediment discharge, M

Date

May 23, 1957.. ...........

July 10. ..................

Sept. 17. .................

Discharge 

(cfs)

3,330 

2,340 

2,390 

1.350

Mean 

concentratio

(ppm)

1,970 

2,450 

2,000 

329

Particle-size analyses of suspended sediment, July to S

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pip

W, in distilled water; C, chemically dispersed; M, mecha

Date 

of 

Collection

July 10, 1957 ....

Sept. 17 ........

Time

7:00 p. m.

Discharge 

(cfs)

2,340 

2,390 

1,350

Water 

temperature 

(°F)

61

Suspend

Concentration 

of sample 

(ppm)

2,450 

2,020 

329

Concentration 

of suspension 

analvzed 

(ppm)

3,600 

5,750 

1,620

Perce

0.002

23 

15 

10

0.004

31 

23 

30

0.008

43 

35 

51

0.0
32 ALASKA WEST OF LONGITUDE 141° 

Tazlina River near Glennallen

Location. Lat 62°03'20", long 145°25'35", In W^ sec. 9, T. 3 N. , R. IV., near left bank 

on downstream side of bridge on Richardson Highway, 2 miles upstream from mouth, 4 miles 

downstream from Moose Creek, and 5 miles southeast of Glennallen.

Drainage area. 2,670 sq ml, approximately.

Records available.--Discharge: August 1949 to September 1950, October 1951 to September 

1957. Discharge measurements only in 1951.

Chemical analyses: February 1952 to August 1953, January to September 1954, May to 

August 1956.

Sediment records: 1953-57 (periodic).

Gage. Wire-weight gage read twice dally. Datum of gage Is 1,109.13 ft abo''e mean sea 

level, adjustment of 1952.

Average discharge. 7 years, 4,301 cfs (3,114,000 acre-ft per year).

Extremes. Maximum discharge during year, 37,300 cfs Sept. 8 (gage height, 11.24 ft, from 

graph based on gage readings); minimum not determined.

1949-50, 1951-57: Maximum discharge, 47,000 cfs Aug. 31, 1955 (gage height, 12.25ft, 

from graph based on gage readings); minimum not determined.

Remarks. Records good except those for periods of Ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet pe rid, water year October 1956 to September 1957

Day

1

Z

3

4

5

e

7

8 

9

10

11 

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

.650

.360

a .100

,030

a ,900

3,730

a3,500

3,370 

3,200

a3,100

3,110 

a2,900

2,820

aZ , 700

2,610

2,510

2,420

a2,300

2,360

2,150

a2 , 100

2,010

1,880

al.800

1,700

1,640

1,580

1,500

*1,460

1,410

1,570

82.250

2,653

163,100

Nov.

1,320

> 1,100

830

. 1,500

34,520

1,151

68,470

Dec.

980

(*)

510

590

21,390

690

42,430

Jan.

> 470

270

11,370

367

22,550

Feb.

260

-

7,280

260

14,440

Mar.

390 

(*)

370

11,770

380

23.350

Apr.

370

420

11,850

395

23.500

May

500

600

800

1,100

1,600

*2,150

2,760

3,550 

5,010

6,200

a6.700 

a6,600

a5, 900

*5,210

4,610

4,240

4,140

4,220

4,340

4,650

4,990

5,130

5,170

5,170

5,150

5,170

5,360

5,360

5,430

5,490

5.450

132,750

4,282

263,300

June

5,510

5,580

5,690

5,870

6,030

6,620

6,970

7,660 

8,170

8,760

9,280 

9,700

9,940

11,300

11,500

11,700

12,100

12.600

12.800

13,500

14,600

15,000

15,000

14,600

14,400

14,000

13,700

13,400

12,800

13,100

321,880

10,730

638,400

July

13.20C

13,40C

*13,800

13,60C

13,900

14,300

14,400

17,500 

18,500

17,600

18,000 

17,700

17,500

16,600

16,000

15,600

15,100

15,000

15,200

15,400

14,700

14,000

14,300

14,200

13,300

13,500

13,300

12 , 900

12,800

12,100

12 , 300

459,700

14,830

911,800

Aug.

12,000

12,600

12,100

12,100

12,100

12 , 300

12,600

12,100 

12,300

*12,800

13,200 

13,200

13,300

15,500

13,200

13,100

13,100

13,100

12,900

12,400

12,200

11,600

11,400

11,200

10,900

11,000

11,300

11,700

12,000

12,300

13,300

382,900

12,350

759,500

Sept.

13,700

13,900

14,100

15,400

17,000

20,300

26,500

55,200 

34,700

29,500

25,200 

23,000

20,900

20,300

19,000

17,000

15,200

13,700

*13,100

11 , 700

11,000

9,840

9,510

9,120

8,610

8,550

8,290

8,110

8,020

7,800

488,250

16,280

968,400

Calendar year 1956: Max 15,100 

Water year 1956-57= Max 35,200 Min -

Mean 3,889 

Mean 5,386

Ac-ft 2,825,000 

Ac-ft 3,899,000

* Discharge measurement made on this day.

a No gage-height record; discharge interpolated or estimated on basis of 1 discharge measurement 

and records for nearby stations.

Note. Stage-discharge relation affected by Ice Oct. 25 to May 10 (no gage-height record Oct. 28, 

Nov. 2 to May 5j discharge estimated on basis of 4 discharge measurements, weather records, and rec 

ords for nearby stations).
TAZLINA RIVER NEAR GLENNALLEN Continu

Chemical analyses, in parts per million, March to Aug

Date of collection

Mar. 9, 1957. ........

May 25 ..............

Mean 

discharge 

(cfs)

412 

5,090 

12, 300

Silica 

(SiOa)

4.4 

4.2 

3.6

Iron 

(Fe)

0.00 

.05 

.10

Calcium 

(Ca)

23 

18 

17

Magnesium 

(Mg)

0.5 

3.0 

3.6

Sodium 

(Na)

5.5 

3.2 

2.1

Potassium 

(K)

0.8 

1.1 

.7

Bicarbonate 

(HCO,)

67 

60 

54

Sulfate 

(S04 )

13 

11 

16

Chloride 

(Cl)

6.0 

2.0 

.7

Periodic determinations of suspended-sediment discharge, May 

Date

Sept. 17 ................

Discharge 

(cfs)

5,090 

12, 300 

15,800

S

Mean 

concentration 

(ppm)

397 

93 

220

Particle-size analyses of suspended sediment, August to S

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipet

W, in distilled water; C, chemically dispersed; M, mechan

Date 

of 

Collection

Aug. 2, 1957 ..... 

Sept. 17 .........

Time

10:00 a. m. 

8:00 a.m.

Discharge 

(cfs)

12,300 

15, 800

Water 

temperature 

<°F)

Suspende

Concentration 

of sample 

(ppm)

93 

220

Concentration 

of suspension 

analyzed 

(ppm)

627 

2,800

Percen

0.002

69 

56

0.004

70 

67

0.008

76 

77

0.016

82 

86
ALASKA WEST OF LONGITUDE 141 c

Klutina River at Copper Center

Location.--Lat 61°57'10", long 145°18'20", in SWij sec. 18, T. 2M..R. IE., near center 

of span on downstream side of bridge on Richardson Highway, 0.7 mile south of Copper 

Center, three-quarters of a mile upstream from mouth, and 24 miles downstream from 

Klutina Lake.

Drainage area.--6 sq mi, approximately.

Records available.--Discharge: May to August 1908 (gage heights only), June to October 

1913, August 1949 to September 1957.

Chemical analyses: March 1952 to September 1954, May to August 1956. 

Water temperatures: October 1952 to September 1953. 

Sediment records: 1953-54, 1956-57 (periodic).

Gage.--Wire-weight gage read once daily. Datum of gage is 1,011.26 ft above mean sea 

level. May 19 to Aug. 31, 1908, and June 17 to Oct. 31, 1913, staff gages at sites a 

quarter of a mile downstream at different datums.

Average discharge.--8 years (1949-57), 1,719 cfs (1,245,000 acre-ft per year).

Extremes. Maximum discharge observed during year, 8,250 cfs June 18 (gage height, 8.10 ft), 

maximum gage height observed, 9.31 ft Dec. 12 (backwater from ice); minimum discharge 

not determined.

1913. 1949-57: Maximum discharge observed, 9,040 cfs June 29, 1953 (gage height, 

9.24 ft); maximum gage height observed, 15.55 ft May 9, 1953 (backwater from ice); minimum discharge not determined.

Remarks.--Records fair except those for periods of ice effect, which are poor. 

Revlsions.--WSP 1372: Drainage area.

harge, in cubic feet per second, water year October 1956 to Septembe- 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

1,750

1,720

1,700

1,640

1,600

1,500

1,400

1,300

1,300

1,200

1,200

1,200

1,100

1,100

1,000

980

950

930

900

860

820

780

740

700

660

620

600

570

550

520

490

32,380

1,045

64,220

Nuv.

(*)

' 380

300

 560

12,400

413

24,600

Dec.

460

(*)

240

> 440

11,840

382

23,480

Jan.

 360

220

180

7,780

251

15,430

Feb.

170

180

-

4,890

175

9,700

Mar.

, 260 (*)

, 250

7,900

255

15,670

Apr.

240

280

7,800

260

15,470

May

310

330

360

450

640

860

1,100

1,400

1,600

1,600

1,500

1,200

980

*838

820

826

876

980

1,100

1,260

1,410

1,460

1,620

1,580

1,580

1,710

1,920

2,040

2,080

2,130

2,210

38,770

1,251

76,900

June

2,230

2.170

2,490

3,430

4,130

4,660

5,180

5,720

7,200

7,890

7,550

7,550

6,670

6,020

6,366

7,430

7,720

7,820

7,720

8,030

7,500

6,580

6,400

6,430

6,020

5,900

5,540

5,560

5,120 

5 200

178,220

5,941

353,500

July

5,400

5,540

*6.250

6,100

4,730

5,820

T,960

5,680

5,120

5,2,50

5,380

5,120

4,730

4,600

5,120

5,540

5,820

5,680

5,120

5,250

5,120

5,380

4,730

4,870

4,480

4,600

4,730

4,660

4,360

4,480

4,600

160,220

5.16E

317, 80C

Aug.

,360

,250

,360

,360

,480

,480

,360

,360

* ,480

,730

,000

,120

,000

,870

,600

,730

,730

,710

,960

.200

,960

,840

,430

,110

,960

,860

,910

,860

,960

, 840

,960

140,830

4,543

279,300

Sept.

5,340

5,700

6,020

6,380

7,260

7.500

7,020

6,670

5,880

5,290

4,360

4,960

5,090

5,380

5,320

5,440

5,620

6,020

*5,180

4,600

4,540

4,380

4,360

4,420

4,300

4,360

4,300

4,350

4,040

5 , 680

157,960

5,265

313,300

Calendar year 1956: Max 7,310 Min - Mean 1,632 Ac-ft 1,185,000

Water year 1956-57: Max 8,030 Min - Mean 2,085 Ac-ft 1,509,000

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by ice Oct. 7 to about May 20 (no gage-height record 

Oct. 13, 14, Nov. 5, 7, 9, Nov. 13 to May 13 except occasional readings, May 19; discharge estimate 

on basis of 4 discharge measurements, weather records, and records for nearby stations.
KLUTINA RIVER AT COPPER CENTER Contin

Chemical analyses, in parts per million, March to M

Date of collection

Mar. 9, 1957. ........

May 25 ..............

Mean 

discharge 

(cfs)

277 

1,550

Silica 

(Si02)

5.0 

7.0

Iron 

(Fe)

0.11 

.05

Calcium 

(Ca)

16 

15

Magnesium 

(Mg)

3.3 

1.0

Sodium 

(Na)

2. 8 

1.9

Potassium 

(K)

0.8 

.8

Bicarbonate 

(HCOS)

63 

46

Sulfate 

(S04 )

7.0 

6.0

Chlori

(Cl)

1.5 

.0

Periodic determinations of suspended-sediment discharge, Ma

Date

May 25, 1957. .............

Sent. 16. ..................

Discharge 

(cfs)

1,550 

6.180

Mean 

concentration 

(ppm)

89 

121

Particle-size analysis of suspended sediment, Sept

(Methods of analysis: B, bottom withdrawal tube; D, decollation; P, pip

W, in distilled water; C, chemically dispersed; M, mecha

Date 

of 

Collection

Sept. 16 .........

Time

4:45 9.m.

Discharge 

(cfs)

fi, 180

Water 

temperature 

(°F)

Suspend

Concentration 

of sample 

(ppm)

121

Concentration 

of suspension 

analyzed 

(ppm)

569

Perce

0.002

57

0.004

67

0.008

74

0.0

83
36 ALASKA WEST OP LONGITUDE 14 l c

Tonsina River at Tonsina

Location. Lat 61°39'50", long 145"10"50", near center of span on downstream side of 

bridge on Richardson Highway at Tonsina, 0.5 mile upstream from Bernard Creek and 

0.7 mile upstream from Squirrel Creek.

Drainage area.--420 sq mi, approximately.

Records available.--Discharge: May 1950 to December 1954, January to September 1955 (fragmentary), October 1955 to September 1957.

Chemical analyses: February 1952 to September 1953, January to September 1954, 

May to August 1956. ' Water temperatures: October 1952 to September 1953. 

Sediment records: 1953-54, 1956-57 (periodic).

Gage.--Wire-weight gage read once daily. Altitude of gage is 1,500 ft (from topographic 

map).

Average discharge.--6 years (1950-54, 1955-57), 921 cfs (666,800 acre-ft per year).

Extremes.--Maximum discharge during year, 7,910 cfs June 8 (gage height, 7.00 ft, from 

graph based on gage readings); minimum not determined.

1950-54, 1955-57: Maximum discharge that of June 8, 1957; minimum not determined.

Remarks. Records fair except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3 

4

5

6

7

8 

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

438

443

459 

413

375

329

307

296 

283

276

270

260

257

251

248

240

234

231

226

218

208

201

189

180

166

158

150

144

135 

128

122

7,835

253

15,540

Nov.

(*)

99

74

, 300

4,730

158

9,380

Dec.

500

C)

190

170

8,770

283

17,400

Jan.

150

82

65

3,035

97.9

6,020

Feb.

> 60

63

-

1,719

61.4

3,410

Mar.

(*)

> 98

110

3,230

104

6,410

Apr.

i- 120

, 140

3,900

130

7,740

May

190

210

Z50 

300

350

480

*920

1,000 

1,100

1,100

1,100

920

770

606

*726

774

742

790

866

911

1,050

1,140

1,170

1,230

1,390

1,530

1,600

1,710

1,680

1 , 880

2.050

30,535

985

60,570

June

2,270

2,640

2,800 

3,680

4,680

4,830

5,790

7,580 

6,500

5,600

5,330

5,250

4,220

4,220

3,880

3,700

3,700

3,820

3,590

3,520

2,880

2,780

2,750

2^170

2,300

2,240

2,300

2,580

2,420

2,380

112,400

3,747

222,900

July

Z,380

2,610

*2.740 

2,600

2,070

1,620

1,630

1,650 

1,600

2,010

1,890

2,070

2,660

2,700

2,620

1,840

2,060

2,090

2,030

2,030

2,050

1,670

al,700

1,650

1,530

1,420

1,550

1,430

al,500

al,600

al,700

60,700

1,958

120,400

Aug.

al,800

1,840

al,900 

al,900

al,900

al,900

a2,000

2,190 

*2,060

2,360

2,500

2,340

2,210

2,170

2,130

2,120

2,200

2,240

1,980

1,980

1,980

1,890

1,800

1.650

1,680

1,790

1,830

2,200

2,610

2,640

2 , 690

64,480

2,080

127,900

Sept.

2,610

2,600

2,640 

2,310

2,130

2,070

2,090

1,880 

2,030

2,430

2,460

2,820

3,660

4,080

4^120

3,880

3,090

a2,400

*1,770

1,660

L.410

1,530

1,660

1,800

1,980

2,000

a2,100

a2,200

2,130

1,760

71,300

2,377

141,400

Calendar year 1956: Max 4,360 

Water year 1956-57: Max 7,580 Min -

Mean 796 

Mean 1,021

Ac-ft 578,100 

Ac-ft 739,100

* Discharge measurement made on this day.

a No gage-height record; discharge interpolated or estimated on basis of records for nearby 

stations.

Note.--Stage-discharge relation affected by ice Oct. 7 to May 13 (no gage-height record Nov. 1, 

Nov. 13 to May 4j discharge estimated on basis of 3 discharge measurements, weather records, and i 

ords for nearby streams.
TONSINA RIVER AT TONSINA--Continued 

Chemical analyses, in parts per million, March to Augus

Date of collection

Aug. 2 ..............

Mean 

discharge 

(cfs)

96.8 

1.-390 

1,840

Silica 

(Si02)

7.1 

6.0 

4.1

Iron 

(Fe)

0.00 

.06 

.00

Calcium 

(Ca)

17 

13 

9.1

Magnesium 

(Mg)

2.7 

.3 

1.9

Sodium 

(Na)

3 3 

1.5 

.6

Potassium 

(K)

1.0 

.7 

.4

Bicarbonate 

<HCOS )

60 

37 

30

Sulfate 

(SOJ

7.0 

5.0 

7. 5

Chloride 

(Cl)

0.8 

.8

Periodic determinations of suspended-sediment discharge, M

a Daily mean discharge.

Date

Sept. 16 ................

Discharge 

(cfs)

1,390 

al,840 

a3,880

Su

Mean 

concentration 

(ppm)

48 

35 

65

Particle-size analysis of suspended sediment, Septem

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanic

Date 

of 

Collection

Sept. 16, 1957 ..

Time

3:30 p.m.

Discharge 

(cfs)

a3,880

Water 

temperature 

(°F)

Suspended 

Concentration 

of sample 

(ppm)

65

Concentration 

of suspension 

analyzed 

(ppm)

1,100

Percent 

0.002

83

0.004

87

0.008

91

0.016

92

a Daily mean discharge.
38 ALASKA WEST OF LONGITUDE 141°

Copper River near Chitina

Location. Lat 61°28' , long 144°28' , on right bank at head of Woods Canyon, half a mile

downstream from Taral Creek and abandoned - ' - Indian - - village -- s of Taral, 2J miles upstream

from Tenas Creek, and 3-J miles south of Chitina.

Drainage area. 20,600 sq mi, approximately.

Records available. Discharge: July to September 1950, May to November 1952, October 1955 

to September 1957.

Chemical analyses: June to November 1950, January 1954 to September 1957.

Water temperatures: June to September 1957.

Sediment records: 1954-56 (periodic), June to September 1957.

Gage. Water-stage recorder. Altitude of gage is 400 ft (from topographic map). Prior to 

Tune 2, 1952, staff gage at site a quarter of a mile upstream at datum 1.4 ft higher. 

June 2 to Nov. 30, 1952, water-stage recorder at same site and datum.

Extremes. Maximum discharge during year, 148,000 cfs Aug. 12 (gage height, 20.08 ft); 

minimum not determined.

1950, 1952, 1955-57: Maximum discharge recorded, 159,000 cfs July 30, 1952 (gage 

height, 22.56 ft); minimum not determined.

Maximum stage known since 1950, 28.3 ft in July 1951, at present datum, from floodmarks (discharge, 220,000 cfs). Minimum discharge observed, 3,830 cfs Feb. 25, 1954 

(discharge measurement).

Remarks. Records fair except those for periods of no gage-height record, which are poor. 

Some diurnal fluctuation caused by glacier melt at the source. Records of specific 

conductance of daily samples available in district office, Quality of Water Branch, 

Palmer, Alaska.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21 

22

23 

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

a33,000

 a23,000

e!6,000

(*)

736,000

23,740

*1,460

Nov.

010,000

a!3,000

345,000

11,500

684,300

Dec.

 a9,90o

' 35,400

,36,600

225,600

7,277

447,500

Jan.

> a5,80O

,a3,800

147,800

4,768

293,200

Feb.

. a3,700

103,600

3,700

205,500

Mar.

(*)

.a6,100

,a6,000

187,500

6,048

371,900

Apr.

,36,200

,37,100

199,500

6,650

395,700

May

38,200

39,000

311,000

315,000

321,000

329,000

338,000

348,000

*59,600

73,800

78,500

77,000

66,000

53,300

*45,400

44 , 000

43,300

48 , 400

57,400

64,800

67,600 

67,600

63,600 

58,100

56,000

57,400

58,400

57,200

55,500

56,200

60,000

$1,548.3

49,950

*3,071

June

364,000

a 68,OOO

372,000

378,000

386,000

a95,000

3100,000

a!20,000

3130,000

a!30,000

3130,000

a!20,000

a!20,000

a!20,000

a!20,000

3130,000

137,000

146,000

136,000

134,000

141,000 

al40,000

a!30,000 

119,000

106,000

106,000

110,000

111,000

a!20,000

a!30,000

$3,449

115,000

$6,841

July

132,000

" 133,000

124,000

119,000

115,000

114,000

117,000

117,000

118,000

120,000

117,000

120,000

127,000

3130,000

136,000

135,000

134,000

140,000

139,000

a!30,000

a!20,000 

121,000

121,000 

113,000

103,000

106,000

allO.OOO

aiio.ooo

110,000

109,000

109,000

$3,755

121, ICO

$7,448

Aug.

117,000

120,000

a!20,000

a!30,OoO

132,000

125,000

118,000

*12 1,000

128,000

136,000

1140,000

147,000

142,000

136,000

134,000

137,000

140,000

135,000

124,000

110,000

103,000

101,000

99,500 

97,200

97,900

99,000

99,400

105,000

115,000

112 000

105^000

*3,726

120,200

$7,390

Sept.

107,000

106,000

95,800

94,80O

94,700

100,000

103,000

102,000

99,800

101,000

97,400

91,800

103,000

99,400

90,500

382,000

73,700

*66,300

61,300

59,200

58,800 

61,100

62,900 

60,700

62,600

74,700

76,900

77,500

78,900

74,000

*2, 516.8

83,890

*4,992

Calendar year 1956: Max - 

Water year 1956-57: Max 147,000 Mln -

Mean 34,410 

Mean 46,410

Ac-ft 24,980,000 

Ac-ft 33,600,000

* Discharge measurement made on this day.

* Expressed In thousands.

a No gage-height record; discharge estimated on basis of 4 discharge measurements, weather records 

and records for stations on tributary streams.
COPPER RIVER NEAR CHITINA Continu

Chemical analyses, In parts per million, March to Se

Date of collection

Mar. 5, 1957......

June 21-3Q ........

July 21-31. ........

Aug. 11-20........

Sept. 1-10. ........

Mean 

discharge 

(cfs)

6,100 

139, 000 

121, 000 

121, 000 

131,000

112,000 

125,000 

134, 000 

103, 000 

100. 000

Silica 

(SiOa)

14 

7.9 

7.9 

7.8 

5.8

5.8 

5.6 

5.0 

4.7 

6.7

Iron 

(Fe)

0.00 

.00 

.00 

.00 

.00

.00 

.00 

.00 

.00 

.00

Calcium 

(Ca)

36 

23 

27 

28 

27

27 

27 

28 

25 

27

Magnesium 

(Mg)

9 3 

2! 6 

3.1 

2.7 

2.6

2.6 

4.7 

3.4 

2.8 

4.3

Sodium 

(Na)

12 

3.4 

4.3 

4.4 

4.1

4.5 

3.5 

3.4 

3.1 

3.8

Potassium 

(K)

1.6 

1.9 

2.0 

2.4 

2.7

2.8 

2.4 

2.8 

2.2 

2.7

Bicarbonate 

(HCO,)

116 

73 

88 

88 

85

84 

83 

83 

76 

90

Sulfate 

(SO,)

26 

13 

17 

17 

17

18 

18 

18 

18 

18

Chlor

(Cl

18 

2.5 

3.0 

4.0 

3.0

3.5 

3.0 

2.5 

3.0 

3.0

Temperature (°F) of water, June to September 

Day

1

2

3

4

5

6

7

8

9

10

June

__

--

--

--

--

--

--

July

53

50

49

__

._

_

51

52

53

Aug.

53

52

_.

..

50

50

51

53

51

._

Sept.

__

_.

46

46

47

47

_

_

_

..

Day

11

12

13

14

15

16

17

18

19

20

June

..

--

--

--

..

._

..

July

.-

54

.-

52

52

52

50

47

_-

Aug.

--

51

51

50

50

50

--

46

47

Se

-

.

-

_

.
40 ALASKA WEST OP LONGITUDE 141 e

COPPER RIVER NEAR CHITINA Continued 

Suspended sediment, June to September 1957

Day

1. .....

2. ..... 

3. .....

5. .....

6. ..... 

7. .....

8. .....

9. ..... 

10. .....

11......

12. .....

14. .....

15. .....

16. ..... 

17. .....

18......

19. .....

20. .....

21......

22......

23......

24. .....

25. ..... 

26. .....

27. .....

28. .....

29......

30. .....

31. .....

Total.

1...... 

2...... 

3...... 

4...... 

5......

6. .....

8...... 

9. .....

10. .....

1 9

1 3

15. ..... 

16. .....

18. .....

20. ..... 

21......

22. ..... 

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

June

Mean 

discharge 

(cfs)

137, 000 

146, 000 

136, 000 

134, 000

141, 000 

140, 000 

130, 000 

119, 000 

106, 000

106, 000 

110, 000 

111, 000 

120, 000 

130, 000

1, 766, 000

Suspended sediment

Mean 

concentration 

(ppm)

2,280 

2,740 

2,580 

2,510

3, 120 

2,820 

2,400 

2,110 

2,240

2,050 

1,880 

1,940 

2,380 

2,850

--

Tons 

per 

day

1,080, 000 

947, 000 

908, 000

1,190, 000 

al,060, 000 

a 842, 000 

678, 000 

641, 000

587, 000 

558, 000 

581, 000 

a 77 1,000 

aljOOO.OOO

11,686,000

July

Mean 

discharge 

(cfs)

132, 000 

133, 000 

124, 000 

119, 000 

115,000

114, 000 

117,000 

117,000 

118,000 

120, 000

117, 000 

120, 000 

127, 000 

130, 000 

136, 000

135,000 

134, 000 

140, 000 

139, 000 

130, 000

120, 000 

121, 000 

121, 000 

113, 000 

109, 000

106, 000 

110,000 

110, 000 

110, 000 

109, 000 

109, 000

3,755,000

Suspended sediment

Mean 

concentration 

(ppm)

3,220 

2,980 

2,650 

2,400 

2,200

2,090 

2,000 

1,900 

1,810 

1,860

2,220 

2,820 

2,940 

2,990 

3,120

3,480 

3,380 

3,800 

3,260 

3,080

2,950 

2,840 

2,680 

2,460 

2,050

1,840 

1,880 

1,940 

2,020 

2,250 

2.680

"

Tons 

per 

day

150, 000 

1,070,000 

887, 000 

771, 000 

683, 000

a 643, 000 

a 632, 000 

600, 000 

577, 000 

603, 000

701, 000 

914,000 

al, 010, 000 

al, 050, 000 

1, 140, 000

1,270,000 

1, 220, 000 

1, 440, 000 

1, 220, 000 

al, 080, 000

956, 000 

928, 000 

876, 000 

750, 000 

603, 000

527, 000 

a 558, 000 

a 576, 000 

600, 000 

662, 000 

789, 000

26, 486, 000

September

107, 000 

106, 000 

95, 800 

94, 800 

94, 700

100, 000

598, 300

2,520 

2,480 

2,340 

1,900 

1,950

2,100

"

a 728, 000 

a 710, 000 

605, 000 

486, 000 

498, 000

567, 000

3, 594, 000

August

Mean 

discharge 

(cfs)

117, 000 

120, 000 

120, 000 

130, 000 

132, 000

125, 000 

118, 000 

121,000 

128, 000 

136, 000

140, 000 

147, 000 

142, 000 

136, 000 

134,000

137,000 

140, 000 

135,000 

124, 000 

110,000

103,000 

101, 000 

99, 500 

97, 200 

97,900

99, 000 

99,400 

105, 000 

115,000 

112, 000 

105, 000

3,726,000

Suspended sediment

H*<!an 

concentration 

(ppm)

3,140 

3,050 

3,110 

3,220 

3,320

3,140 

2,880 

2,790 

3,280 

3,520

3,720 

3,840 

3,490 

3,410 

3,510

3,680 

3,380 

3,020 

2,680 

2,320

?,090 

2,010 

1,660 

1,780 

1,980

2, 100 

1,960 

2,320 

3,250 

2,780 

2,620

--

Tons 

per 

day

992, 000 

988, 000 

al, 010, 000 

a 1, 130, 000 

1, 180, 000

1, 060, 000 

918, 000 

911, 000 

1, 130, 000 

a 1,290, 000

a 1,410, 000 

1, 520, 000 

1, 340, 000 

1, 250, 000 

1,270,000

1, 360, 000 

a 1, 280, 000 

a 1,100,000 

897, 000 

689, 000

581, 000 

548, 000 

446, 000 

a 467, 000 

a 523, 000

561,000 

526, 000 

658, 000 

1, 010, 000 

841, 000 

a 743, 000

29, 629, 000

Total discharge for period June 17 to Sept. 6 (cfs-days) 

Percent of annual discharge during period ... 

Total load for period June 17 to Sept. 6 (tons).

9,845,300

58.1

71,395,000

a Computed from estimated concentration graph.
COPPER RIVER NEAR CHITINA Continued

Particle-size analyses of suspended sediment, Jul

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipet

W, in distilled water; C, chemically dispersed; M, mechani

Date 

of 

Collection

July 11, 1957 .... 

July 31 ..........

Time

12:00 m. 

2:00 p.m.

Discharge 

(cfs)

107,000 

109,000

Water 

temperature 

(°F)

54

Suspended 

Concentration 

of sample 

(ppm)

1,970 

2,430

Concentration 

of suspension 

analyzed 

(ppm)

7,280 

3,510

Percent 

0.002

20 

18

0.004

26 

22

0.008

34 

31

0.016

46 

42
42 ALASKA WEST OF LONGITUDE 141°

Power Creek near Cordova

Location. Lat 60°35'15", long 145°37'05", on left bank at old bridge site, 1 mile upstream from Eyak Lake and 5-J miles northeast of Cordova.

Drainage area.--20.5 sq mi.

Records available.--July to November 1913 (fragmentary), August 1947 to September 1957.

Gage.--Water-stage recorder. Datum of gage is 33.5 ft above mean sea level (river profile 

survey). July to November 1913, staff gage half a mile upstream at different datum.

Average discharge. 10 years, 252 cfs (182,400 acre-ft per year).

Extremes. Maximum discharge during year, 4,270 cfs Sept. 12 (gage height, 6.96 ft), from 

rating curve extended above 1,450 cfs by logarithmic plotting; minimum not determined.

1947-57: Maximum discharge recorded, 5,540 cfs Sept. 25, 1949 (gage height, 7.65ft), 

from rating curve extended above 1,450 cfs by logarithmic plotting; minimum recorded, 

13 cfs Apr. 29, 1950 (gage height, 1.50 ft), but may have been less during periods of 

no gage-height record.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13 

14

15

16

17

18

19

20

21

22

23

24

25

26

27 

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

158

202

189

152

132

122

114

106

117

299

402 2"2T

180 

148

133

120

112

109

99

95

90

84

80

77

72

132" 71

106

90

80

73

4,168

134

6.54

7.56

8,270

Nov.

71

68

68

63

63

*61

60

59

64

60

59

57

56 

57

54

53

53

50

7?

72

246

598

562

395

675

413

1,570 

782

687

446

7,394

246

12.0

13.41

14,670

Dec.

269

218

187

162

144

132

122

114

106

89

92

88

83

78

76

75

70

68

67

65

63

62

60

59

ST.

62

59 

82

90

98

95

3,102

100

4.88

5.63

6,150

Jan.

Ill

120 »98"

98

94

79

73

67

61

56

i- 38

- 25

1,512

48.8

2.38

2.74

3,000

Feb.

' 26

> 20

-

650

23.2

1.13

1.18

1,290

Mar.

20

19

19

*19

19

20

21

21

23

23

24

30

33 

28

24

24

23

27

27

23

23

22

22

22

22

21

21 

20

21

21

20

702

22.6

1.10

1.27

1,390

Apr.

21

?Z

23

23

22

22

22

22

22

22

22

22

22 

22

22

22

22

22

22

22

23

24

24

27

29

31

30 

21

3833"

721

24.0

1.17

1.31

1,430

May

3232-

37

38

41

43

46

72

146

173

194

202

187 

171

*251

260

248

269

292

266

251

233

215

218

227

227

224 

239

224

245

272

5,575

180

8.78

10.11

11,060

June

296 386"

460

445

435

520

592

562

526

465

430

455

425 

420

415

374

410

425

420

410

400

370

338

338

338

378

405 

362

395

460

12,655

422

20.6

22.96

25,100

July

475

490

450

395

*374

*362

350

350

382

410

410

430

450 

430

430

405

400

405

400

338

310

303- 303

318

3C3

614

~^SB 1.5,70 

558

4fO

440

14.1E3

4E7

22.3

25.68

28,070

Aug.

410

390

370

360

350

340

340

340

350

370

380

*382

390 

390

400

410

415

366

470

1,140

982

526

390

382

350

342

995 

1,120

544

445

556

14,995

484

23.6

27.20

29,740

Sept.

1,210

610

878

798

592

425

350

400

1,640

973

586

2,160

2.540 

1,210

600

450

380

350

450

*490

1,230

1,340

1,040

1,610

1,590

1,380

743 

1,770

941

465

29,201

973

47.5

52.97

57,920

Calendar year 1956: Max 1,640 Mln - Mean 239 Cfam 11.7 In. 159.00 Ac-ft 173,800

Water year 1956-57: Max 2,540 Mln - Mean 260 Cfsm 12.7 In. 172.02 Ac-ft 188,100

Peak discharge (base, 2,000 cfs). --Sept. 9 (4 p.m.) 3,070 cfs (6.14 ft); Sept. 12 (l p.m.) 4,270 cfs 

(6.96 ft): Sept. 21 (6:30 p.m.) 2,130 cfs (5.42 ft); Sept. 24 (2:30 p.m.) 2,250 cfs (5.52 ft);

Sept. 28 (7:30 p.m.) 3,340 (6.33 ft).

* Discharge measurement made on this day.

Note. No gage-height record Jan. 8 to Feb. 14 (stage-discharge relation affected by Ice during 

part of period), July 31 to Aug. 11, Aug. 13-15, Sept. 15-19; discharge estimated on basis of 2 discharge measurements and weather records. Stage-discharge relation affected by Ice Feb. 15-28.
ALASKA WEST OP LONGITUDE 141 c 43

Anchor River at Anchor Point

Location. Lat 59°46'10", long 151°50'00", In SE^ sec. 4, T. 5 S. , R. 15 W. , near right 

bank on downstream side of Sterling Highway bridge at Anchor Point, 0.1 mile downstream 

from North Fork and 1 mile upstream from mouth.

Drainage area. 226 sq mi.

Records available. Discharge: June 1953 to September 1957.

Chemical analyses: January 1953, May 1953 to September 1954. 

Water temperatures: May 1953 to September 1954. 

Sediment records: July 1953 to August 1954 (periodic).

Gage. Wire-weight gage read once dally. Datum of gage is 24 ft above mean sea level 

(river-proflie survey).

Extremes. Maximum discharge during year, 1,620 cfs May 9 (gage height, 4.30 ft. from 

graph based on gage readings), maximum gage height observed, 5.90 ft Dec. 7 (ice jam); 

minimum discharge, 45 cfs July 16.

1953-57: Maximum discharge, 2,320 cfs May 7, 1954 (gage height, 4.95 ft, from graph 

based on gage readings), from rating curve extended above 880 cfs by logarithmic plotting; maximum gage height, 6.38 ft Apr. 29, 1956, from graph based on gage readings 

(ice jam); minimum discharge observed, 28 cfs July 28, 1953 (gage height, 1.81 ft), but 

may have been less during periods of no gage-height record.

Remarks. Records fair except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per nd, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

e

9

10

11

12 

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

326

246

304

344

321

254

239

239

239

266

295

299 

290

231

178

162

216

*185

125

bllO

b99

b93

b88

bB5

b82

b80

b591

696

5T6

274

192

7,665

247

1.09

1.26

15, 200

Nov.

b!49

, 87

280

4,602

153

0.677

0.76

9,130

Dec.

120

(»)

62

2,502

80.7

0.357

0.41

4,960

Jan.

69

2,139

69

0.305

0.35

4,240

Feb.

73

75

-

2,070

73.9

0.327

0.34

4,110

Mar.

100

(*)

110

3,260

105

0.465

0.54

6,470

Apr.

130

 150

, 300

5,800

193

0.854

0.95

11,500

May

*559

552

559

649

710

794

935

1,260

1,520

1,000

780

675 

649

642

572

492

425

388

414

420

378

399

399

349

344

330

290

278

254

246

235

17,497

564

2.50

2.88

34,700

June

216

TST

195

195

*185

178

178

162

146

131

131

131 

128

122

128

134

128

122

116

134

131

128

116

99

67

62

69

72

69

67

3,939

131

0.580

0.65

7,810

July

67

80

119

134

195

202

143

113

105

105

85

67 

49

52

47

49

96

185

202

178

270

239

266

202

185

*165

128

99

93

105

107

Aug.

103

96

89

85

113

155

129

89

87

85

81

75 

68

68

*73

58

65

69

89

108

430

469

304

208

198

238

559

591

420

414

344

4,132 5,960

133 192

0.588 0.850

0.68 0.98

8,200 11,820

Sept.

308

354

898

642

516

458

368

330

286

226

498

1,210 

965

610

492

452

414

469

480

458

469

597

534

*845

766

546

480

616

591

441

16,319

544

2.41

2.69

32,370

Calendar year 1956: Max 1,300 Min - Mean 256 Cfsm 1.13 In. 15.38 Ac-ft 185,500

Water year 1956-57: Max 1,520 Min 47 Mean 208 Cfsm 0.920 In. 12.49 Ac-ft 150,500

* Discharge measurement made on this day. 

b Stage-discharge relation affected by Ice.

Note.--No gage-height record Nov. 2 to Apr. 30 (stage-discharge relation affected ly Ice during 

most of period); discharge estimated on basis of 3 discharge measurements and weather records.

5Z7570 O -59 -4
44 ALASKA WEST OF LONGITUDE 141°

Kasilof River near Kasilof

Location. Lat 60°19'05", long 151°15'35", in SW£ sec. 30, T. 3 N., R. 11 W. , near center 

of span on downstream side of bridge on Sterling Highway, 0.9 mile upstream from 

Crooked Creek, 4 miles downstream from Moosehead Rapids, 5 miles south of Kasilof, and 

10 miles downstream from Tustumena Lake.

Drainage area. 738 sq mi.

Records available. Discharge: July 1949 to September 1957. 

Chemical analyses: March to September 1952. 

Sediment records: June 1953 to August 1954 (periodic).

Gage.--Wire-weight gage read once daily. Datum of gage is 23.37 ft above mean sea level 

(Corps of Engineers bench mark).

Average discharge. 8 years, 2,324 cfs (1,683,000 acre-ft per year).

Extremes.--Maximum discharge during year, 12,300 cfs Sept. 14 (gage height, 7.90 ft, from 

graph based on gage readings); minimum not determined.

1949-57: Maximum discharge, that of Sept. 14, 1957; maximum gage height observed, 

8.62 ft Nov. 25, 1955 (backwater from ice); minimum discharge not determined.

Remarks. Records good except those for periods of ice effect, which are poor.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14 

15

16

17

18

19

20

21

22

£3

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

4,960 

4,786

4,580

4,500

4,380

4,230

4,130

4,000

3,940

3,870

3,740

3,580

3,560

3,450 

3,290

3,180

3,120

*3,000

2,910

2,850

2,790

2,690

2,610

2,520

2,480

2,460

2,430

2,380

2,290

Z, 140

103,090

3,325

4.51

5.20

204,500

Nov.

2,070 

1,990

,940

,870

,790

,770

,700

,660

,610

,560

,520

,450

,400

,340 

,300

,250

,210

,170

,140

,150

,130

,140

,180

,220

,260

,280

,290

,310

,300

,260

43,240

1,441

1.95

2.18

85,770

Dec.

1,200 

1,100

994

916

860

836

740

(*)

> 620

22,486

725

0.982

1.13

44, 600

Jan.

500

410

14,060

454

0.615

0.71

27,890

Feb.

420

> 380

-

11,240

401

0.543

0.57

22,290

Mar.

> 420

(*)

500

> 370

13,270

428

0.580

0.67

26,320

Apr.

353 

35T

356

363

370

378

381

385

388

388

385

381

381

388 

392

396

400

408

412

416

420

428

436

445

467

486

510

525

BTO 

*500

12,411

414

0.561

0.63

24,620

May

525 

515

510

505

505

515

520

541

552

547

557

547

552

563 

563

579

603

639

646

666

672

686

693

706

713

743

758

788

804 

828

836

19,377

625

0.847

0.98

38,430

June

852 

884

900

932

*985

,030

,080

,130

,190

,250

,310

,380

,450

,530 

,610

,700

,760

,880

,010

,170

,190

,260

,330

,490

,610

,710

,820

,950

,100 

 220

53,713

1,790

2.43

2.71

106,500

July

5.270 

374^0"

3,530

5,670

5,810

3,870

3,940

4,000

4,100

4,230

4,420

4,560

4,700

4,780 

4,880

4,960

5,040

5,210

5,500

5,420

5,590

5,650

5,650

5,740

*5,760

5,780

5,780

5,840

5,820

5 f 890

150,510

4,855

6.58

7.58

298,500

Aug.

5,970 

6,040

6,060

6,080

6,110

6,110

6,150

6,240

6,280

6,550

6,370

6,440

6,500

6,550 

*6,610

6,590

6,630

6,630

6,680

6,680

6,700

6,700

6,750

6,720

6,820

6,950

7,040

7,300

7,460

7,670 

8,000

205,180

6,619

8.97

10.34

407,000

5ept.

8,150 

8,320

8,390

9,130

10,000

10,700

10,900

10, 600

10,700

10,900

10,900

11,200

11,600

12.200 

11,600

11,400

11,300

11,200

11,100

10,800

10,600

10,600

10,500

*11,400

11,200

10,400

10, 100

9,880

9,500

9,

314,450

10,480

14.2

15.85

625,700

Calendar year 1956: Max 7,880 Mln - Mean 1,989 Cfsm 2.70 In. 36.68 Ac-ft 1,444,000

Water year 1956-57: Max 12,200 Mln - Mean 2,638 Cfsm 3.57 In. 48.55 Ac-ft 1,910,000

* Discharge measurement made on this day.

Note.--Stage-discharge relation affected by Ice Nov. 7-26, Nov. 50 to Apr. 29 (no gage-height r

 d Dec. 7 to Mar. 51 except once-weekly readings; discharge estimated on basis of 2 discharge me

urements and weather records).
ALASKA WEST OP LONGITUDE 141° 45 

Ptarmigan Creek at Lawing

Location.--Lat 60°24'20", long 149°21'45", on right bank 200 ft upstream from bridge on 

Seward-Anchorage Highway, 0.2 mile north of Lawing, 0.3 mile upstream from mouth, and 

3 miles downstream from Ptarmigan Lake.

Drainage area. 32.6 sq mi.

Records available. Discharge: May 1947 to September 1957. 

Chemical analyses: February to September 1952.

Gage. Water-stage recorder. Altitude of gage is 500 ft (from topographic ma-)). Prior to 

June 11, 1952, staff gage at site 200 ft downstream at different datum.

Average discharge. 10 years, 109 cfs (78,910 acre-ft per year).

Extremes. Maximum discharge during year, 796 cfs Sept. 3 (gage height, 2.80 ft); maximum 

gage height recorded, 4.38 ft Dec. 18 (backwater from ice); minimum daily discharge, 

13 cfs Mar. 25-30.

1947-57: Maximum discharge. 980 cfs June 29, 1953 (gage height, 3.28 ft); maximum 

gage height recorded, that of Dec. 18, 1956; minimum discharge not determined.

Remarks. Records good except those for periods of ice effect, which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

62

6ff

59

58

56

55

54

52

52

51

51

49

48

47

46

46

*47

46

45

44

44

42

41

41

40

39

41

41

40

38

37

1,472

47.5

1.46

1.68

2,920

Nov.

37

37

36

36

35

35

34

34

34

34

34

34

34

34

33

33

32

32

32

32

34

37

36

35

38

52

74

82

85

HfT OU

1,235

41.2

1.26

1.41

2,450

Dec.

46

(*)

22

1,042

33.6

1.03

1.19

2,070

Jan.

c 23

 16

601

19.4

0.595

0.69

1,190

Feb.

16

-

448

16

0.491

0.51

889

Mar.

15

15

15

15

15

16

16

17

17

17

18

17

*17

16

15

15

17

16

17

16

15

14

14

14

13

13

13

13

13

13

14

471

15.2

0.466

0.54

934

Apr.

15

15

15

16

16

16

16

17

17

17

17

17

17

18

18

19

19

20

21

22

24

24

26

26

26

26

27

27

27

*26

607

20.2

0.620

0.69

1,200

May

26

26

27

28

28

28

30

32

35

36

39

48

59

65

82

86

106

111

130

152

157

154

145

136

134

134

136

141

148

164

176_

2,799

90.3

2.77

3.19

5,550

June

190

212

252

286

323

334

346

390 378"

346

300

282

242

*236

227

212

198

195

192

182

169

164

162

157

157

162

166

174

184

204

7,022

234

7.18

8.01

13,930

July

221

221

209

195

179

164

154

157

172

192

204

201

204

212

221

227

2T8

212

192

166

148

136

126

*123

126

136

138

132

138

150

157

5,431

175

5.37

6.20

10,770

Aug.

164

162

162

159

150

141 14-3

164

182

192

192

184

164

154

172

182

*190

179

164

154

198

195

182

174

166

174

283

366

289

224

190

5,795

187

5.74

6.61

11,490

Sept.

179

228

677

735

670

530

404

327

304

286

265

540

708

585

448

346

282

255

252

227

221

224

206

252

297

286

*249

218

192

164

10,557

352

10.8

12.04

20,940

Calendar year 1956: Max 382 Min - Mean 85.2 Cfsm 2.61 In. 35.60 Ac-ft 61,880

Water year 1956-57: Max 735 Min 13 Mean 1O3 Cfsm 3.16 In. 42.76 Ac-ft 74,330

* Discharge measurement made on this day.

Mote. Stage-discharge relation affected by ice Nov. 5 to about Mar. 12 (no gage-height record 

Nov. 22 to Dec. 17, Dec. 22 to Mar. 12 j discharge estimated on basis of 2 discharge measurements, 

weather records, and records for stations on nearby streams), Mar. 22 to Apr. 21.
46 ALASKA WEST OF LONGITUDE 141°

Grant Creek near Moose Pass

Location. Lat 60°27'25", long 149°21'15", on right bank 0.3 mile upstream from mouth, 

0.8 mile downstream from Grant Lake, and 2.3 miles south of Moose Pass.

Drainage area. 44.2 sq ml.

Records available. September 1947 to September 1957.

Gage. Water-stage recorder. Datum of gage Is 491 ft above mean sea level (river-profile 

survey). Prior to July 1, 1952, staff gage at site 0.1 mile downstream at datum 

7.23 ft lower.

Average discharge. 10 years, 193 cfs (139,700 acre-ft per year).

Extremes.--Maximum discharge during year, 1,700 cfs Sept. 3 (gage height, 4.06 ft), from 

rating curve extended above 1,100 cfs by logarithmic plotting; minimum not determined.

1947-57: Maximum discharge, 2,230 cfs June 28, 1953 (gage height, 4.46 ft), from 

rating curve extended above 1,100 cfs by logarithmic plotting; minimum not determined.

Remarks. Records good except those for period of no gage-height record, which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4 

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

94

9T

88

87 

84

79

75

71

69

69

70

69

67

66

64

65

*63

62

60

59

57

54

51

49

49

48

52

51

49

47

i5.

2,004

64.6

1.46

1.69

3,970

Nov.

44

45

44

44 

43

42

41

41

42

41

41

41

41

41

40

39

38

55

38

38

41

44

43

42

47

70

130

145

151

T34

1,669

55.6

1.26

1.40

3,310

Dec.

119

108

98

89 

83

76

71

65

60

58

54

51

49

46

44

41

39

*37

36

35

34

34

33

32

32

31

31

30

30

30

2£

1,605

51.8

1.17

1.35

3,180

Jan.

26

> 19

694

22.4

0.507

0.58

1,380

Feb.

19

-

532

19

0.430

0.45

1,060

Mar.

20

(*)

21

> 18

608

19.6

0.443

0.51

1,210

Apr.

19

19

19

20 

20

20

20

20

20

20

20

20

21

23

25

25

26

27

28

30

36

38

40

43

44

45

45

45

*45

45

868

28.9

0.654

0.73

1,720

May

464~6

49

52 

55

60

66

80

100

115

135

149

172

167

204

210

195

190

204

237

259

253

240

227

218

212

218

221

230

253

269

5,132

166

3.76

4.32

10,180

June

288

327

407

492 

543

569

627

687

687

651

585

549

*488

479

466

448

423

415

403

391

359

352

345

341

345

345

345

349

367

399

13,472

449

10.2

11.34

26,720

July

423

431

427

423 

399

363

341

33^

352

383

403

403

39T

407

423

423

419

403

383

341

316

303

*283

272

273

291

295

285

291

305

316

11,116

359

8.12

9.35

22,050

Aug.

327

327

327

327 

305

288

291

320

352

371

375

363

331

320

338

356

*367

349

323

305

423

466

427

387

356

349

474

575

520

435

383

11,457

370

8.37

' 9.64

22,720

Sept.

363

435

1,390

1,500 

1,410

1,000

712

564

502

452

419

853

1,020

817

621

488

399

359

345

309

295

298

275

334

371

363

*323

281

243

207

16,948

565

12.8

14.26

33,620

Calendar year 1956: Max 645 Min - Mean 149 Cfsm 3.37 In. 45.78 Ac-ft 107, 90O

Water year 1956-57: Max 1,500 Min - Mean 181 Cfsm 4.10 In. 55.62 Ac-ft 131,100

* Discharge measurement made on this day.

Note. No gage-height record Dec. 12 to Mar. 31 except occasional days (stage-discharge relation 

affected by ice during most of period); discharge estimated on baaia of 2 discharge measurements, 

weather records, and records for nearby streams.
ALASKA WEST OF LONGITUDE 141° 47 

Trail River near Lawlng

Location. Lat 60°26'00", long 149°22'20", near center of stream on downstream end of pier 

at bridge site on old Seward-Anchorage Highway, 0.2 mile upstream from Falls Creek, 

0.2 mile downstream from Lower Trail Lake, 1.9 miles upstream from mouth, and 2.1 miles 

north of Lawlng.

Drainage area. 195 sq ml.

Records available. Discharge: May 1947 to September 1957. 

Chemical analyses: November 1951 to September 1952.

Gage. Water-stage recorder. Altitude of gage Is 460 ft (from topographic mrp). Prior to 

Sept. 13, 1952, staff gage at same site and datum.

Average discharge. 10 years, 782 cfs (566,100 acre-ft per year).

Extremes. Maximum dally discharge during year, 4,700 cfs Sept. 4; minimum discharge, 

79 cfs Mar. 31 (gage height, 2.89 ft).

1947-57: Maximum discharge, 5,860 cfs June 28, 1953 (gage height, 10.16 ft); minimum dally, 48 cfs Feb. 9, 10, 1949.

Remarks. Records good except those for period of no gage-height record, which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Cay

1

2

3

4

5

6

7

8

9

10

11

12

15

14

15

16

17

18

19

20

21-

22

25

24

25

26

27

28

29

50

51

Total

Mean

Cfsm

In.

Ac-ft

Oct.

395

575

561

356

345

317

305

295

278

274

278

278

274

268

260

257

*250

244

235

229

229

212

200

198

191

180

202

208

202

193

184

8,069

260

1.55

1.54

16,000

Nov.

174

176

174

172

170

167

161

158

160

161

161

160

156

153

151

148

145

143

142

143

156

172

176

176

182

210

440

647

713 cc-o 658

6,705

224

1.15

1.28

15,500

Dec.

555

480

420

566

525

297

278

257

238

223

208

195

182

172

165

154

*151

146

140

137

136

134

133

132

130

129

123

129

132

130

150

6,511

210

1.08

1.24

12,910

Jan.

150

129

126

126

122

120

116

113

109

108

106

107

108

107

106

103

100

97

92

90

88

86

84

82

82

83

85

87

93

98

99

5,182

103

0.528

0.61

6,310

Feb.

100

100

99

98

98

97

96

94

93

92

91

90

89

88

89

89

89

89

89

89

89

88

88

88

88

88

87

88

2,563

91.5

0.469

0.49

5,080

Mar.

88

87

88

93

101

107

107

107

113

118

118

116

*113

111

111

120

108

103

101

99

96

94

92

91

89

86

85

82

81

81

BiO

3,066

98.9

0.507

0.58

6,080

Apr.

83

87

90

93

94

97

97

97

97

98

101

105

112

123

134

142

146

150

158

169

184

198

208

223

238

244

244

241

244

241

4,538

151

0.774

0.87

9,000

May

241

244

*257

268

285

313

352

39O

475

576

636

696

768

796

808

886

874

844

862

946

1,020

1,030

994

940

910

898

886

904

940

1,040

1.180

22,259

718

3.68

4.25

44,150

June

1.300

1,4OO

1,640

2,010

2,340

2,480

2,620

2,810

2.990

2.9OO

2,650

2,400

*2,160

2,060

2,010

1,940

1,850

1,810

1,790

1,750

1,650

1,570

1,560

1,550

1,530

1,550

1,570

1,590

1,680

1,830

58,890

1,963

10.1

11.25

116,800

July

1,970

2,050

2,000

2,010

1,940

1,760

1,590

1,550

1,620

1,780

1,950

1,940

1,900

1,950

2,030

2.070

2,060

1,980

1,900

1,690

1,490

1,430

*1,380

1.510

1,510

1,430

1,440

1,360

1,570

1,430

1,520

53,190

1,716

8.80

10.14

105,500

Aug.

1,590

1,600

1,550

1,550

1,500

1,380

1.540

1,500

1,730

1,900

1,900

1,850

1,600

1,490

1,560

1,640

1,710

*1,680

1,540

1,450

1,770

2,220

2,120

1,880

1,740

1,720

a2,500

a2 , 700

a2,400

al| 900

54,870

1,770

9.08

10.46

108,800

Sept.

al,700

a2,400

a4,300

a4.700

a4,200

a5, 500

a2,700

a2,500

32,200

a2,100

a2,000

a3,200

a5, 800

a3,100

a2,400

a2,OOO

al,800

al,600

al, 500

al,400

al,300

al,300

31,300

al,600

a2,000

*1,850

1,720

1,430

1,210

1.010

67,620

2,254

11.6

12.90

134,100

Calendar year 1956: Max 2,990 Min 64 Mean 654 Cfsm 3.35 In. 45.68 Ac-ft 475,100

Water year 1956-57: Max 4,700 Min 80 Mean 799 Cfsm 4.10 In. 55.59 Ac-ft 578,000

* Discharge measurement made on this day.

a No gage-height record; discharge estimated on basis of 1 discharge measurement, recorded range 

in stage, weather records, and records for nearby stations. 

Note. Stage-discharge relation affected by ice Dec. 11-31.
48 ALASKA WEST OP LONGITUDE 141°

Crescent Creek near Moose Pass

Location. Lat 60°28'45", long 149°34'25", on left bank 90 ft downstream from Crescent 

Lake Outlet and 7 miles west of Moose Pass.

Drainage area.--21.4 sq ml.

Records available. May to September 1957.

Gage. Water-stage recorder. Datum of gage Is 1,452.5 ft above mean sea level (riverprofile survey).

Extremes. Maximum discharge during period May to September, 210 cfs June 9; maximum gage 

height, 2.85 ft Sept. 15; minimum discharge, 31 cfs Aug. 19, 20 (gage height, 1.62 ft).

Remarks. Records good except those for period of shifting-control, which are fair.

Discharge, In cubic feet per second, May to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

t29

Mov. Dec . Jan. Feb.

-

Calendar year : Max Mln

Mar.

Mean

Apr. May

_

-

-

-

-

_

-

-

_

-

_

_

-

-

-

_

-

-

-

-

_

-

-

-

-

_

-

-

96 

*98

102

-

-

-

-

-

Cfsm

June

104

114

130

150

167

179

188

203

210

T§7

179

»170

156

150

145

130

126

108

104

106

104

96

94

91

87

84

82

3,900

130

6.07

6.78

7,740

In.

July

84

80

80

79

77

74

71

68

65

66

64

64

62

62

61

61

58

58

57

54

52

50

48

*^

44

44

44

42

41 

41

40

1,836

59.2

2.77

3.19

3, 640

Aug.

40

38

38

38

37

36

36

35

35

35

35

35

34

34

33

»33

33

32

32

32

38

38

38

38

38

37

48

59

II

58

1,213

39.1

1.83

2.11

2,410

Sept.

119

100

86

80

76

74

72

66

74

128

128

123

114

104

96

98

98

89

91

92

91

108

»110

104

96

92

86 

76

2,795

93.2

4.36

4.86

5,540

Ac-ft

Water year : Max Mln Mean Cfsm In. Ac-ft

* Discharge measurement made on this day.

t Result of discharge measurement

Mote. Shifting-control method used Sept. 4-30.
ALASKA WEST OF LONGITUDE 14l c 49

Crescent Creek near Cooper Landing

Location.--Lat 60°29'50", long 149°40'40", on left bank at bridge on old Seward-Kenai 

Highway, 0.3 mile upstream from mouth and 5.3 miles east of Cooper Landing.

Drainage area. 31.7 sq mi.

Records available. Discharge: July 1949 to September 1957. 

unemlcal analyses: April to September 1952.

Gage. Water-stage recorder. Altitude of gage is 550 ft (from topographic map). Prior 

to Aug. 19, 1949, staff gage at same site and datum.

Average discharge. 8 years, 70.4 cfs (50,970 acre-ft per year).

Extremes. Maximum discharge during year. 342 cfs June 7 (gage height, 1.90 f'-,); maximum 

gage height recorded, 2.20 ft Nov. 2 (backwater from ice); minimum discharge recorded, 

6 cfs Mar. 17, caused by storage behind ice Jam upstream.

1949-57: Maximum discharge, 820 cfs June 28, 1953; maximum gage height, 2.85 ft 

June 27, 1953; minimum discharge observed, 2.7 cfs Mar. 8, 1954 (discharge measurement), 

caused by storage behind ice Jam upstream.

Remarks. Records good except those for periods of backwater from debris or ice effect, 

which are fair, and those for period of no gage-height record, which are poor.

Discharge, in cubic feet per ond, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27 

28

29

30 

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

54

54

52

52

50

47

45

43

42

44

45

44

43

41

42

42

*40

37

35

34

34

33

34

35

33

35

37 

35

34

32

31

1,259

40.6

1.28

1.48

2,500

Nov.

30

29

27

56

1,105

36.8

1.16

1.30

2,190

Dec.

> 59

(*)

> 31

1,381

44.5

1.40

1.62

2,740

Jan.

, 25

19

679

21.9

0.691

0.80

1,350

Feb.

18

-

504

18

0.568

0.59

1,000

Mar.

17

17

17

18

18

18

19

19

19

19

19

19

*18

18

18

18

Ts

17

17

17

17

17

17

18

18

18 

16

15

15 

15

533

17.2

0.543

0.63

1,060

Apr.

15

14

10

14

14

14

14

13

14

14

14

14

15

15

16

16

16

16

16

16

16

16

17

18

16

18

18 

18

19

20

466

15.5

0.489

0.55

924

May

21

*22

26

30

35

41

50

60

73

76

82

93

97

95

108

108

110

115

133

142

142

139

136

130

130

128

130 

130

133

*136 

142

2,993

96.5

3.04

3.51

5,940

June

153

180

213

247

280

300

320

337

315

280

256

243

*217

210

194

180

170

163

153

144

142

136

130

128

120

iil

117 

117

117 

120

5,799

193

6.09

6.80

11,500

July

120

115

108

101

101

99

97

95

97

97

93

91

90

93

95

91

91

90

88

80

77

76

72

*69

67

73

69 

66

66 

66

67

2,700

87.1

2.75

3.17

5,360

Aug.

67

64

59

58

55

53

52

55

57

55

55

55

54

54

56

*57

56

53

51

52

68

64

65

64

64

65

II

84

84

82

1,937

62.5

1.97

2.27

3,840

Calendar year 1956: Max 212 Min - Mean 65.0 Cfsm 2.05 In. 27.91 Ac-ft 47

Sept.

"97 80

191

142

125

117

110

108

106

99

106

194

T9T

176

163

153

147

144

144

136

136

133

130

147

*147

142

133

130

120 

106

4,056

135

4.26

4.76

8,040

190

Water year 1956-57: Max 337 Min 10 Mean 64.1 Cfsra 2.O2 In. 27.48 Ac-ft 46^440

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by ice Oct. 29 to Nov. 2. No gage-height record Nov. 3 

to Mar. 12 (stage-discharge relation affected by ice during most of period); discharge estimated on 

basis of 2 discharge measurements, weather records, and records for Cooper Creek near Cooper Landing. 

Backwater from debris Oct. 1-28, May 18 to June 11, Aug. 3-29.
50 ALASKA WEST OF LONGITUDE 141° 

Kenal River at Cooper Landing

Location. Lat 60°29'35", long 149°48'25", near center of span on downstrea-n side of 

bridge on Sterling Highway, 0.9 mile east of Cooper Landing, 0.9 mile upstream from 

Bean Creek, and 1.2 miles downstream from Snug Harbor.

Drainage area. 634 sq mi.

Records available.--Discharge: May 1947 to September 1957.

Chemical analyses: October 1949, July to September 1950, April to September 1952.

Gage. Wire-weight gage read once daily. Datum of gage is 429.27 ft above mean sea level 

(river-profile survey). May 11, 1947, to Mar. 10, 1949, staff gage and Mar. 11, 1949, 

to Apr. 13, 1950, wire-weight gage, at bridge 0.9 mile downstream at different datum.

Average discharge.--10 years, 2,666 cfs (1,930,000 acre-ft per year).

Extremes. Maximum discharge during year, 16,300 cfs Sept. 6 (gage height, 11.15 ft), from 

rating curve extended above 10,000 cfs by logarithmic plotting; minimum daily, 260 cfs 

Mar. 29-31.

1947-57: Maximum discharge, 20,600 cfs June 29, 1953 (gage height, 12.36 ft, from 

graph based on gage readings) , from rating curve extended above 10,000 cfs by logarithmic plotting; minimum daily, 190 cfs Mar. 15-24, 1951.

Remarks. Records good except those for periods of ice effect, which are fair.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30 

31

Total

Mean

Cfsra

In.

Ac-ft

Oct.

2,200

2,020

1,880

1,780

1,750

1,700

1,650

1,590

1,590

1,580

1,480

1,410

1,400

1,380

1,370

1,350

1.550

1,350

*1,360

1,370

1,430

1,520

1,670

1,930

2,260

2,970

3,880

5,170

6,680

7,510 

6,200

72,560

2,341

3.69

4.26

143,900

Nov.

4.970

4,050

3,350

2,940

2,540

2,160

1,930

1,700

1,460

1,390

1,380

1,380

1,340

1,260

1,180

1,090

1,060

1,040

1,020

962

958

981

934

910

934

1,050

1,240

1,460

1,620

1,610

49,899

1,663

2.62

2.93

98,970

Dec.

1.640

1,620

1,440

1,420

1,440

1,450

1,380

1,340

1,260

1,200

1,130

1,090

1,040

986

939

906

873

849

818

*774

744

723

699

674

658

641

629

618

599

587 

576

30,743

992

1.56

1.80

60,980

Jan.

572

572

568

545

530

515

498

484

476

462

448

445

442

438

434

431

417

404

388

372

356

334

325

313

310

305

310

316

328

337 

346

13,021

420

0.662

0.76

25,830

Feb.

349

352

352

349

340

334

322

316

313

310

305

299

296

294

288

285

283

283

283

283

280

280

280

280

280

280

280

280

-

8,476

303

0.478

0.50

16,810

Mar.

280

280

285

291

299

310

322

334

343

340

*346

343

346

349

346

346

346

334

322

308

299

294

288

285

280

272

267

262

260

260 

260

9,497

306

0.483

0.56

18,840

Apr.

265

272

280

291

299

310

316

313

313

316

316

319

316

313

340

346

362

378

394

404

414

420

428

431

438

445

452

459

476

494

10,920

364

0.574

0.64

21,660

May

*515

*534

561

580

595

614

645

682

719

840

934

1,030

1,150

1,230

1,420

1,620

1,750

1,890

2,020

2,170

2,320

2,430

2,530

2,580

2,630

2,690

2,760

2,810

2,880

2,940 

3,040

51,109

1,649

2.60

3.00

101,400

June

3.140

3,240

3,670

4,360

4,790

5,320

5,780

6,180

6,930

7,320

7,370

*7,520

8,580

8.600

6,970

6,660

6,500

6,400

6,160

5,940

5,640

5,500

5,460

5,420

5,280

5,190

5,210

5,230

5,230

5,350

174,940

5,831

9.20

10.26

347,000

July

5,640

5,800

5,980

6,120

6,080

6,020

5,800

5,590

5,620

5,680

5,740

5,820

5,940

6,000

6,040

6,140

6.280

6,220

6,160

5.86C

5,64C

5,420

5,14C

4,920

*4,830

4.79C

4,76C

4,71C

4.66C

4,710 

4,76C

172,870

5,576

8.7S

10.14

342, 90C

Aug.

4,810

4,880

4,900

4,920

4,830

4,720

4.58O

4,780

5,050

5,280

5,480

5,480

5,420

5,370

5,390

*5,390

5,420

5,390

5,370

5,350

5,330

5,800

6,280

6,580

6,500

6,710

7,010

7,810

8.590

7,910 

7,190

178,320

5,752

9.07

10.46

353,700

Sept.

5,460

6,440

10,300

14,000

15,400

16.200

14,900

12,800

11,300

10,400

10,200

10,200

12,500

13,700

12,100

10,600

9,420

8,320

7,370

6,640

6,300

5,620

5,600

5,660

5,660

*5,660

5,500

5,390

4,920

4.450

273,010

9,100

14.4

16.01

541,500

Calendar year 1956: Max 8,950 Hln 214 Mean 2,324 Cfsm 3.67 In. 49.86 Ac-ft 1,687,000

Water year 1956-57: Max 16,200 Mln 260 Mean 2,864 Cfsra 4.52 In. 61.32 Ac-ft 2,073,000

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by Ice Dec. 12 to Mar. 8, Mar. 21 to Apr. 3.
ALASKA WEST OP LONGITUDE 141° 51 

Cooper Creek near Cooper Landing

Location. Lat 60°26'00", long 149°49'15", on left bank 125 ft downstream from Cooper Lake 

Outlet, 1.4 miles upstream from Stetson Creek, and 4 miles south of Cooper Landing.

Drainage area. 31.8 sq mi.

Records available. August 1949 to September 1957.

Gage.--Water-stage recorder. Datum of gage is 1,165.5 ft above mean sea level (riverprofile survey).

Average discharge. 8 years, 86.0 cfs (62,260 acre-ft per year).

Extremes.--Maximum discharge during year, 316 cfs Sept. 4 (gage height, 2.67 ft); minimum 

not determined.

1949-57: Maximum discharge, 729 cfs June 29, 1953 (gage height, 4.02 f"); minimum 

not determined.

Remarks. Records good except those for periods of no gage-height record, which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

68

65

65

64

63

60

58

57

55

55

54

54

52

51

*49

48

46

46

44

44

44

43

42

40

38

39

44

43

41

39

38

1,549

50.0

1.57

1.81

3,070

Nov.

35

35

34

33

33

31

30

30

31

32

32

31

31

30

30

30

31

32

32

31

39

41

40

40

45

63

84

92

104

100

1,282

42.7

1.34

1.50

2,540

Dec.

93

90

85

81

76

72

68

65

61

59

58

55

53

52

a49

a46

a43

*40

a39

a37

a36

a35

a34

a33

a33

a32 a32~

a32

a32

32

32

1,585

51.1

1.61

1.85

3,140

Jan.

32

32

32

» a29

> a22

796

25.7

0.808

0.93

1,580

Feb.

a21

~

588

21

0.660

0.69

1,170

Mar.

a21

*20

al9

628

20.3

0.638

0.73

1,250

Apr.

a!9

570

19

0.597

0.67

1,130

May

a25

a27

a30

a34

a38

a43

a49

a58

a72

a76

a81

a86

87

89

94

97

97

99

106

116

124

126

124

122

122

122

122

124

128

132

139

2,789

90.0

2.83

3.26

5,530

June

143

T5¥

181

205

227

241

259

285

298

288

280

*272

259

256

249

241

229

227

217

210

200

193

188

181

174

167

165

159

156

156

6,465

216

6.79

7.56

12,820

July

161

163

T5¥

154

150

145

139

130

130

130

130

126

124

122

120

120

118

120

120

114

110

108

105

*99

97

99

96

92

92

90

90

3,753

121

3.81

4.39

7,440

Aug.

90

87

84

84

84

81

78

78

79

79

79

81

78

75

75

*75

73

72

69

TO

82

81

79

79

81

81

99

112

114 

TT2

110

2,601

83.9

2.64

3.04

5,160

Sept.

110

I3T

272

306

306

290

267

241

222

203

200

267

308

301

277

256

236

217

208

198

186

179

170

174

*174

172

165

156

148

134

6,480

216

6.79

7.58

12,850

Calendar year 1956: Max 283 Min - Mean 80.2 Cfara 2.52 In. 34.33 Ac-ft 58,230

Water year 1956-57: Max 308 Mln - Mean 79.7 Cfara 2.51 In. 34.01 Ac-ft 57,680

* Discharge measurement made on this day.

a No gage-height record; discharge estimated on basis of 2 discharge measurements, weather 

ords, and records for Crescent Creek near Cooper Landing and Trail River near Lawing.
52 ALASKA WEST OF LONGITUDE 141'

South Fork Campbell Creek near Anchorage

Location. Lat 61°09'55", long 149°46'00", in NW£ sec. 2, T. 12 N. , R. 3 W. , on right bank 

20 ft downstream from bridge, 0.1 mile northeast of Campbell Airstrip, 2.2 miles upstream from North Fork Campbell Creek, and 5| miles southeast of Anchorage.

Drainage area. 29.4 sq ml.

Records available. July 1947 to September 1957.

Gage. Water-stage recorder. Altitude of gage Is 300 ft (from topographic map). Prior to 

Aug. 20, 1952, at site 70 ft upstream at different datum.

Average discharge.--10 years, 38.2 cfs (27,660 acre-ft per year).

Extremes. Maximum discharge during year, 181 cfs Sept. 19 (gage height, 1.85 ft); maximum 

gage height observed, 2.70 ft Dec. 21 (backwater from Ice); minimum dslly, 6 cfs 

Jan. 22-25, Mar. 6-12.

1947-57: Maximum discharge, 891 cfs June 21, 1949 (gage height, 3.30 ft, site and 

datum then In use), from rating curve extended above 110 cfs by logarithmic plotting; 

minimum not determined.

Remarks. Records good except those for periods of Ice effect, which are fair.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

I?.

n

14

15

16

17

18

19

20

21

22

2?

24

2C

2C

27

28

29

30 

31

Total

Moan

Oct.

40

40

39

36

35

35

33

*32

31

31

31

27

26

24

22

20

19

18

18

19

20

*21

22

20

17

14

12

11

TT

12

*14

750

24.2

Ao-ftj 1,490

Nov.

17

20

22

23

23

*22

20

17

15

14

13

13

13

12

12

13

13

14

16

18

*20

22

23

23

22

23

*24

?4

21

19

551

18.4

1,090

Dec.

18

19

20 *2o

18

17

16

16

15

15

15

14

14

14

14

15

15

16

16

16

*16

15

14

13

11.

12

*13

13

14

15 

14

474

15.3

940

Jan.

14

13

12

11

11

11

11

11

11

no

10

11

11

*12

12

12

11

10

9

8

7

6

6

*6

6

7

8

9

10

*11

11

308

9.9

611

Feb.

12

12

11

11

10

10

*9

9

8

8

8

8

9

*9

10

10

10

9

9

9

*8

8

7

J

7

*8

8

8

-

252

9.0

500

Mar.

8

9

8

7

7

*6

6

6

6

6

6

6

*7

7

7

8

8

8

9

9

*9

8

8

8

8

8

*8

7

7

7

7

229

7.4

454

Apr.

7

J

*

7

*8

9

9

9

9

9

10

*10

10

10

11

12

12

11

*10

10

11

11

11

269

9.0

534

May

12

13

*14

16

18

20

21

30

39

*43

52

54

54

47

61

*56

46

53

66

72

74

62

57

*54

58

66

64

62

68

74

73

1,499

48.4

2,970

June

76

86

97

112

122

125

*129

129

122

114

108

95

*84

81

74

73

70

74

64

67

*64

73

61

54

53

51

51

48

~ji~a 47 

48

2,452

81.7

4,860

Jul-f

46

47

*45

43

56

49

45

42

39

36

36

*35

33

31

32

32

32

44

84

52

42

*48

43

41

51

129

T3

60

52

46

*41

1,495

48.2

2,970

Aug.

39

39

36

36

35

40

36

34

34

33

32

31

30

30

29

*28

29

34

51

45

41

40

49

42

38

36

54

*76

58

48

42

1,225

39.5

2,430

Sept.

40

38

38

38

40

36

36

34

34

*35

41

84

72

61

54

49

47

64

126

*120

110

114

101

127

T2o

112

102

104

93

79

2,149

71.6

4,260

Calendar year 1956: Max 197 Min - Mean 31.9 Ac-ft 23,180

Water year 1956-57: Max 129 Min 6 Mean 31.9 Ac-ft 23,110

Peak discharge (base, ISO cfs).--July 26 (10 a.m.) 155 cfs (1.69 ft); Sept. 19 (6:30 p.m.) 181 cfs 

(1.85 ft).________________________________________________________________________

* Discharge measurement made on this day.

Note.--Stage-discharge relation affected by ice Oct. 13 to Nov. 26, Nov. 29 to Apr. 30 (no gageheight record Oct. 17-21, Nov. 3-5, 7-20, 25, 26, Dec. 2 to Apr. 11, except on dsys of discharge 

measurements; discharge estimated on basis of 18 discharge measurements, weather records, and records for Ship Creek near Anchorage and Little Susitna River near Palmer).
ALASKA WEST OF LONGITUDE 141° S3 

Ship Creek near Anchorage

Location.--Lat 61°13'25", long 149°38'00", in Fort Richardson Military Reservation, at new 

diversion dam and Fort Richardson water-supply intake building, 0.2 mile upstream from 

abandoned dam and water-supply intake building, 3.5 miles upstream from North Fork Ship 

Creek, and 8-| miles east of Anchorage.

Drainage area. 91.2 sq mi.

Records available. Discharge: October 1946 to September 1957. 

Chemical analyses: April 1949 to July 1951. 

Water temperatures: May 1949 to September 1950.

Gage.--Water-stage recorder and masonry dam. Datum of gage is 530 ft above mesn sea level 

(levels by Corps of Engineers). Oct. 1, 1946, to Apr. 30, 1947, staff gage and May 1, 

1947, to Apr. 19, 1954, water-stage recorder, at site 0.2 mile downstream at different 

datum. June 18, 1953, to Sept. 30, 1954, supplementary water-stage recorder at site 

2.7 miles downstream at different datum.

Average discharge. 11 years, 142 cfs (102,800 acre-ft per year).

Extremes. Maximum discharge during year, 712 cfs June 4 (gage height, 2.99 ft); no flow 

for parts of several days.

1946-57: Maximum discharge, 1,860 cfs June 21, 1949 (gage height, 3.44 ft, site and 

datum then in use); no flow at times.

Remarks. Records fair except those for period of ice effect, which are poor. Discharge 

data represent net flow remaining after diversion for water supply of Fort Fichardson, 

Elmendorf Air Force Base, and city of Anchorage. Average diversion, 22.1 cfs.

Cooperation.--Gage inspected and records of diversion furnished by Office of Post Engineers, Fort Richardson.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ao-rt

Oct.

116

116

113

106

102

97

97

*92

89

86

88

82

82

76

69

60

56

54

56

58

59

60

*63

56

45

37

29

22

21

2T

*24

2,132

68.8

4,230

Nov.

30

40

45

46

45

*42

37

34

32

31

30

29

28

27

27

27

28

30

37

45

*54

69

76

76

69

80

*90

90

70

54

1,418

47.3

2,810

Dec.

42

44

45

*42

40

39

38

37

36

36

*35

34

34

34

35

36

37

38

37

34

34

31

28

25

23

22

*23

24

25

27

28

1,043

33.6

2,070

Jan.

28

27

26

*23

23

22

22

22

22

*22

21

21

21

*22

23

23

21

19

17

15

14

13

12

*12

12

13

14

16

18

*20

21

605

19.5

1,200

Feb.

21

25

19

18

17

16

*15

14

13

13

13

14

15

16

17

17

16

15

14

13

*12

12

11

10

9.

*9

9

9

-

397

14.2

787

Mar.

10

11

11

9

8

*8

7

7

6

7

7

7

*6

7

6

7

7

6

6

6

*5

6

5

7

6

10

*10

9

8

9

"

233

7.5

462

Apr.

9

8

8

7

*i

5

6

4

5

7

9

*13

18

19

16

15

15

17

*16

16

20

23

26

26

24

*23

28

29

31

32

479

16.0

950

May

35

36

*46

55

64

64

72

99

117

*132

164

215

232

210

240

*224

210

232

277

305

322

302

*285

294

322

347

341

347

390

421 .-I a 41o

6,818

220

13,520

June

440

502

589

645

670

670

*673

666

610

526

462

406

*344

322

302

288

274

285

263

266

*252

252

235

212

202

194

186

184

184

189

11,293

376

22,400

July

175

175

*166

168

189

164

157

151

141

143

141

*135

133

132

126

123

127

148

165

138

129

*133

120

115

152

320

272

231

200

181

*167

5,017

162

9,950

A-ig.

161

152

142

140

136

136

125

120

116

116

116

111

105

103

102

*98

100

110

136

116

120

120

120

113

111

111

140

*170

167

163

159

3,935

127

7,800

Sept.

152

150

176

195

211

195

170

157

152

*146

146

234

238

238

211

188

170

181

283

*297

303

317

295

339

331

331

323

328

303

267

7,027

234

13,940

Calendar year 1956: Max 512 Min 0 Mean 109 Ac-ft 79,100

Water year 1956-57: Max 673 Min 4 Mean 111 Ac-ft 8O.120

* Discharge measurement made on thia day.

Note. Stage-discharge relation affected by ice Oct. 13 to Apr. 23 (no gage-height record Feb. 15- 

20, 24, 25, 27, 28; discharge estimated on basis of 2 discharge measurements and weather records).
54 ALASKA WEST OF LONGITUDE 141 c

Eklutna Lake near Palmer

Location. Lat 61°24'05", long 149°09'00", 100 ft upstream from dam at outlet of Eklutna 

Lake, 8 miles upstream from abandoned Eklutna power diversion dam, 11 miles upstream 

from mouth of Eklutna Creek, and 14 miles south of Palmer.

Drainage area. 119 sq mi.

Records available. November 1946 to September 1957 (fragmentary since Jaruary 1955).

Gage.--Staff gage. Datum of gage is 859.8 ft above mean sea level (Corps of Engineers 

bench mark). Prior to May 5, 1947, reference point at same site and datum.

Extremes. Maximum gage height observed during year, 10.63 ft Sept. 5; minimum observed, 

-22.45 ft May 17.

1946-57: Maximum gage height observed, 12.00 ft Sept. 18, 1951; minimum observed, 

that of May 17, 1957.

Remarks. Outflow from lake controlled by stoplogs and sluice gates in dan at outlet. 

Gates fully open during flood season each year. Prior to December 1954, stored water 

released during winter period for power purposes. Since December 1954, direct withdrawals from Eklutna Lake for power purposes; flow then diverted into Knik River basin.

Gage height, in feet, water year October 1956 to September 1957

Day

1 

2

3 

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Oct.

-

8.72

-

_

-

-

-

8.21

.

-

-

-

-

-

-

-

7.46

-

-

-

-

-

-

6.67

-

-

-

-

6.11

Nov.

-

.

-

.

-

-

4.87

-

_

-

-

-

-

3.91

-

-

-

-

.

-

3.09

-

-

-

-

-

-

2.44

Dec.

-

.

-

_

1.32

-

-

-

.

-

-

.17

-

_

-

-

-

-

-.96

-

-

-

-

_

-

-2.05

-

_

-

Jan.

-

-3.11

-

_

-

-

-

-

-4.34

-

-

-

-

_

-

-5.46

-

-

_

-

-

-

-6.77

_

-

-

-

_

-

Feb.

-7.81

_

-

.

-

-8.95

-

-

.

-

-

-

-10.19

_

-

-

-

-

-11.16

-

-

-

-

_

-

-12.30

-

Mar.

-

_

-

.

-

-13.63

-

-

_

-

-

-

-14.80

_

-

_

-

-

_

-16.06

-

-

-

.

-

-

-17.22

_

-

Apr.

-

.

-18.22

.

-

-

-

_

-19.24

-

-

-

_

-

-

-

-

_ '

-20.18

-

1

-20.67

-

-

-

-21.17

May

-

_

-

_

-

-

-

-21.93

_

-

-

-

-

_

-22.45

-

-

-

_

-

-22.40

-

-

.

-

-

-

_

-21.68

June

-

.

-

.

-20.47

-

|

-

_

-

-

-15.43

-

.

-

-

-

-11.60

_

_

-

-

-

.

-

-8.43

-

_

JUlv

-

_

-4.23

_

-

-

-

-

.

-.51

-

-

-

.

-

-

4.34

-

_

-

-

-

6.91

.

-

-

-

9.15

9.6

Aug.

9.97

_

-

10.15

10.09

10.18

10.35

-

_

10.45

10.34

-

-

10.30

-

-

10.27

10.17

10.09

10.02

-

-

-

_

-

10.43

10.38

10.21

Sept.

10.20 

10.42

10.63

10.61

-

-

10.21

10.20

10.08

-

10.51

10.46

10.31

10.14

9.96

9.92

9.92

9.92

9.86

9.92

9.96

10.01

10.13

10.26

10.27

10.26

10.26

10.22
ALASKA WEST OF LONGITUDE 141° 

Eklutna Creek near Palmer

Location.--Lat 61°24 I 05", long 149°09'00", on right bank 200 ft downstream from dam at 

outlet of Eklutna Lake, 8 miles upstream from abandoned Eklutna power diversion dam, 

11 miles upstream from mouth, and 14 miles south of Palmer.

Drainage area. 119 sq mi.

Records available. Discharge: October 1946 to September 1957.

Chemical analyses: April 1949 to September 1950, December 1950 to August 1952. 

Water temperatures: May 1949 to September 1950, December 1950 to July 1951.

Ga, .--Water-stage recorder. Datum of gage is 856.53 ft above mean sea level (Corps of 

Engineers bench mark). Prior to Aug. 31, 1948, staff gage at site 100 ft upstream at 

datum 1.96 ft higher. Aug. 31, 1948, to Sept. 30, 1953, at datum 1.96 ft higher.

Average discharge. 8 years (1946-54), 346 cfs (250,500 acre-ft per year), unadjusted.

Extremes. Maximum discharge during year, 1,250 cfs Sept. 5 (gage height, 4.74 ft); no flow 

Oct. 8 to July 18.

1946-57: Maximum discharge, 2,530 cfs Sept. 18, 1951 (gage height, 8.06 ft in gage 

well, present datum); no flow for long periods since December 1954.

Remarks. Records good except those for periods of no gage-height record, which are fair. 

Flow regulated by Eklutna Lake, usable capacity, 160,000 acre-ft. Since December 1954, 

entire flow, except for periods of spilling, diverted from Eklutna Lake into Knik River 

basin by Eklutna powerplant.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

(t)

Oct.

a6

a5

a4

a3

**2

al

al

0

0

0

0

*0

0

0

0

0

0

o

o

0

0

0

0*o

0

0

0

o

0

0 

0

22

0.71

44

16,640

Nov.

0

O

0

18,060

Dec.

0

0

0

19,200

Jan.

0

0

0

18,920

Feb.

-

0

0

0

16,780

Mar.

0

O

0

17,640

Apr.

0

O

0

14,540

May

0

0

0

13,970

June

0

0

0

18,240

July

0

0

0

0

0

o

0

0

0

0

0

0

0

0

0

0

0

0

al

al

**1

a2

a3

a5

6

a7

a8

a9

*10

*28 

*240

321

10.4

637

21,870

Aug.

*502

652

710

746

730

686

686

774

*920

1.000

1,000

969

897

866

*888

888

897

870

822

678

621

579

586

628

678

770

870

1,000

897

*738 

596

2*, 144

779

47,890

21,290

Sept.

534

572

814

996

1. 200

1,140

920

794

762

674

562

814

1,070

1,010

830

624

447

378

378

*298

196

156

101

48

23

72

120

96

53

*30

15,712

524

31,160

20,840

Calendar year 1956: Max 1,210 Min 0 Mean 81.5 Ac-ft 59,140 (t) 180,000

Water year 1956-57: Max 1,200 Min 0 Mean 110 Ac-ft 79,730 (t) 218,000

* Discharge measurement or observation of no flow made on this day.

t Diversion above station, in acre-ft, for Eklutna powerplant; records furnished by Bvreau of 

Reclamation.

** Field estimate made on this day.

a No gage-height record; discharge estimated on basis of 2 field estimates and 1 discharge 

measurement.
56 ALASKA WEST OF LONGITUDE 141°

Caribou Creek near Button

Location. Lat 61°48'10", long 147°41'00", on downstream side of left pier of bridge on 

Glenn Highway, 1.4 miles downstream from Dan Creek, if miles upstream from mouth, and 

40 miles east of Button.

Drainage area. 289 sq ml.

Records available. May 1955 to September 1957.

Gage. Water-stage recorder. Datum of gage Is 1,767 ft above mean.sea level.

Extremes. Maximum discharge recorded during year, 3,760 cfs June 2 (gage height, 5.37 ft), 

from rating curve extended by logarithmic plotting; minimum not detenrined.

1955-57: Maximum discharge, 5,060 cfs June 18, 1955 (gage height, 5.92 ft), from 

rating curve extended above 1,500 cfs by logarithmic plotting; mlnlmurr observed, 

0.23 cfs Mar. 9, 1956 (discharge measurement), caused by temporary storage upstream.

Remarks . Records good except those for periods of Ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per second, water year October 1956 to Septerrber 1957

Day

1

2

3

4

5

6 

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-It

Oct.

215

202

197

192

187

145 

141

140

*158

165

158

141

127

125

109

86

76

1OO

66

67

83

61

*78

71

64

60

56

53

51

50

SO

3,474

112

6,890

Nov.

56

50

(*)

. 6O

1,660

55.3

3,290

Dec.

. 49

(*)

> 41

1,391

44.9

2,760

Jan.

(*)

37

» 30

(*)

1,035

33.4

2,050

Feb.

26

(*)

-

728

26

1,440

Mar.

» 31

(*)

> 24

849

27.4

1,680

Apr.

25

25

24

23

23

22 

22

22

23

24

*26

26

3O

34

37

37

35

34

33

32

33

34

37

43

*46

48

52

50

46

50

996

33.2

1,980

May

*59

92

119

156

313

565 

616

82O

910

*1,020

1,290

1,36O

910

*506

482

464

483

1,020

1,5OO

2.010

1,780

1,3OO

*922

1,O30

1,170

1,190

1,110

1,150

1,480

1,380

1,340

28,547

921

56,620

June

1,590

2,180

*2,260

32,400

a2,5OO

32,600 

a2,600

a2,300

al,900

al,500

al,OOO

aBOO

a 600

*512

a480

529

*512

1,480

1,230

1,900

*2,020

958

786

62O

540

456

446

461

424

471

38,055

1,268

75,480

July

496

471

486

*i46

1,010

1,730 

1^590

794

669

570

486

446

512

570

592

648

529

535

546

595

551

507

692

877

1,O10

886

958

94O

754

620

a520

21,536

695

42,720

Aug.

a49O

a470

*451

410

394

386 

354

335

321

311

294

284

278

272

262

256

253

247

247

244

235

259

325

328

301

288

284

284

275

291

318

9,747

314

19,330

Sept.

328

*311

291

288

278

328 

321

301

294

284

275

272

268

268

262

*250

244

247

294

275

272

284

291

294

297

328

365

343

321

268

8,742

291

17,340

Calendar year 1956: Max 3,100 Min - Mean 362 Ac-ft 262,500

Water year 1956-57: Max 2,600 Min - Mean 320 Ac-ft 231,600

Peak discharge (base, 2,OOO cfs}. May 2O (9:30 p.m.) 2,130 cfs (4.47 ft); May 29 (10 p.m.) 2.290 

cfs (4.57 ft); June 2 (8 p.m.) 3,760 cfs (5.37 ft); June 6 or 7 (time and discharge unknown); 

June 20 (11 p.m.) 3,420 cfs (5.20 ft); July 6 (2 a.m.) 2,790 cfs (4.85 ft).

* Discharge measurement made on this day.

a No gage-height record; discharge estimated on basis of 3 discharge measurements, weather records, 

and records for nearby streams.

Note. Stage-discharge relation affected by ice Oct. 6 to May 13 (no gage-height records Oct. 8, 

Oct. 28 to Apr. 1O, except occasional staff-gage readings, May 9; discharge estimated on basis of 

9 discharge measurements, weather records, and records for nearby streams).
ALASKA WEST OP LONGITUDE 141° 57 

Matanuska River at Palmer

Location. Lat 61°36'35", long 149°04'15", in N| sec. 34, T. 18 N., R. 2 E., or left bank 

100 ft downstream from bridge on Glenn Highway and 1 mile east of Palmer.

Drainage area. 2.070 sq mi, approximately.

Records available.--Discharge: April 1949 to September 1957.

Chemical analyses: May 1949 to September 1950, April to June 1951, March to September 1932, April to July 1953.

Water temperatures: May 1949 to September 1950, March to August 1952, April to September 1953.

Sediment records: April to September 1953, April to September 1954.

Gage. Water-stage recorder. Datum of gage is 170.92 ft above mean sea level (Alaska Road 

Commission bench mark). Prior to Nov. 2, 1950, wire-weight gage at bridge 120 ft upstream at same datum. Nov. 2, 1950, to Apr. 30, 1952, wire-weight gage at tridge 

100 ft upstream at same datum.

Average discharge. 8 years, 4,143 cfs (2,999,000 acre-ft per year).

Extremes. Maximum discharge during year, 25,900 cfs June 20 (gage height, 10.PO ft); minimum not determined.

1949-57: Maximum discharge, that of June 20, 1957; maximum gage height observed, 

12.03 ft July 11, 1949; minimum daily discharge, 234 cfs Apr. 25, 1956.

Remarks. Records fair except those for period of ice effect, which are poor. Large diurnal fluctuation caused by glacier melt at the source.

Discharge, in cubic feet per second, water year October 1956 to September 19F7

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

2.760 

2,630

2.55O

2,440

2, 34O

2,190

2,060

2,000

1,960

 1,940

1,950

1,880

1,810

1,810

1,670

1,570

1,480

1,420

1,350

1,290

1,240

1.2OO

1,160

 1,140

1,100

1,000

980

93O

89 O 

850

 

50,410

1,626

99,990

Nov.

680

C)

700

20,700

690

41,060

Dec.

(*)

620

( )

 680

20,180

651

40,05O

Jan.

C)

670

( )

 650

C)

20,450

660

40, 560

Feb.

620

(*)

. 550

C)

16,450

588

32,630

Mar.

580

C)

 440

> 540

C)

16,140

521

32,010

Apr.

602 

530

 575

602

513

445

513

504

530

557

522

557

639

677

*668

648

677

745

795

765

755

846

 975

975

920

942

1,020

1,010

1,040

 1. 130

21,677

723

43,000

May

1.140 

1,240

1,310

1,460

1,650

1,820

2,080

 3, 160

4,640

4,430

4,850

5,520

4,900

3,580

2,870

3,010

2,680

3,480

4,870

5,560

 6,920

6,510

5,280

4,980

5,090

5,870

5,690

5,640

6,450

7.410

7,410

131,300

4,235

260,400

June

8.140 

9,920

 15,400

15, 60O

14,800

16,3OO

18,200

19,100

17,700

16,900

17,400

 18,40O

18,3OO

18,200

18,500

18,000

17,600

18.9OO

18,500

22,500

 19,200

18,000

15, 100

12,500

11,600

11,500

12, 200

 12, 700

13, 500

15,400

475,660

15,860

943,500

July

16,100 

14,700

12, 800

12.100

14,700

16,500

15,800

 14, 800

12, 800

12, 200

14,000

14,200

15, 300

15,600

14,700

14,700

14,200

12,800

12,700

13,000

13,800

 13,900

13,700

14, 200

15,500

15, 300

13,700

12, 500

12,300

 12,50O 

12 900

434,000

14,000

860, 800

Aug.

15.600 

15.400

12.3OO

15 . 000

12, 6OO

11,800

 12,100

15, 100

13,800

14, 500

15,600

12,500

11,700

11,400

 11,500

11,600

11,400

10,900

9,760

8.690

7.740

7,800

8 240

8.440

8.410

8.540

8.620

9,460

 9,550

9,610 10 . 100

359,160

10.940

672,700

Sept.

9,200 

7,900

7,540

7,670

7,870

8,940

8,580

7,670

7,450

 7,350

6,920

7,290

8,070

8,760

7,930

6,540

5,800

5,950

9,010

 8, 140

6,740

6,420

5,770

5,590

5,460

6,O40

6,170

5,460

4,940

4.520

211,270

7,042

419,000

Calendar year 1956: Max 19,600 Min 254 Mean 5,976 Ac-ft 2,887,000

Water Water year year 1956-57: 1956-57: Max Max 22,500 22,500 Min Min - - Mean Mean 4,815 4,815 Ac-ft Ac-ft 3,486,000 3,486,000

Peak discharge (base, 16,500 cfs). June 8 (5 a.m.) 21,500 eta (10.52 ft); June 20 (l p.m.) 25,900 

cfs (10.90 ft); July 1 (2 a.m.) 17,400 cfs (9.88 ft); July 14 (4 a.m.) 17,300 cfs (9.91 ft). 

 Discharge measurement made on this day. 

Note. Stage-discharge relation affected by ice Oct. 16 to Apr. 30 (no gage-height record Oct. 25

to Nov. 12, Nov. 14 to Dec. 4, Dec. 6 to Jan. 1, Jan. 4-7, 12, 15, 24-27, Feb. 2, 6, 9, 10, 16, 17,

22-24, 27, Mar. 2-4. 7, 9-11, 23, 50, 51; discharge estimated on basis of 9 discharge measurements

and weather records).
58 ALASKA WEST OF LONGITUDE 141 c

Little Susitna River near Palmer

Location. Lat 61°42'40", long 149 0 13'40", in NW£ sec. 26, T. 19 N., R. IE., on left bank 

15 ft downstream from highway bridge on Wasilia-Fishhook Road, 1.5 miles north of road 

Junction, 1.8 miles downstream from unnamed tributary, and 8 miles northwest of Palmer.

Drainage area.--61.9 sq mi.

Records available. July 1948 to September 1957.

Chemical analyses: February to August 1952.

Gage. Water-stage recorder. Datum of gage is 920.6 ft above mean sea level (riverprofile survey). Prior to Aug. 16, 1948, staff gage at same site and datum.

Average discharge. 9 years, 208 cfs (150,600 acre-ft per year).

Extremes. Maximum discharge during year, 2,510 cfs Sept. 19 (gage height, 6.11 ft); minimum daily, 8 cfs Mar. 11, 12.

1948-57i Maximum discharge, 3,070 cfs June 21, 1949 (gage height, 6.33 ft); minimum 

not determined.

Remarks. Records good except those for period of ice effect, which are poor. Large diurnal fluctuation caused by glacier melt at the source.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19 

20

21

22

23

24

25

peto 

27

OQ 

CO

29

30

31

Total

Mean

Ac-ft

Oct.

154

T5T

146

137

130

124

121

116

115

*114

111

104

103

98

87

80

73

66

66 

68

70

72

72

56

*48

42

35

30m

32

35

2,686

86.6

5,330

Nov.

41

So

62

74

Ii

76

70

62

58

55

53

51

*50

48

47

46

46

47

49 

52

55

59

60

59

57

59

62

*62

55

48

1,689

56.3

3,350

Dec.

41

41

41

39

37

35

34

33

32

32

32

*32

32

32

32

33

34

35

36 

36

35

33

30

28

26

26

26

*27

29

30

31

1,020

32.9

2,020

Jan.

30

?S

28

26

25

24

24

23

*23

23

23

23

24

25

28

28

26

24

23 

22

*21

19

17

T7

18

20

22

25

27

*29

30

746

24.1

1,480

Feb.

31

35

28

26

24

22

21

19

18

17

17

18

19

20

*21

22

21

20

19 

18

17

16

14

13

12

12

13

*14

542

19.4

1,080

Mar.

TB- 15

15

15

14

13

11

10

9

9

8

8

9

9

9

9

10

10

*10 

10

11

11

10

10

10

10

9

9

9

Q

g

325

10.5

645

Apr.

9

?

9

*9

9

9

10

10

10

11

11

12

16

16

17

17

17

18

18 

20

21

*23

26

28

27

27

28

28

31

*34

530

17.7

1,050

May

41

55

53

62

69

82

119

*194

234

249

313

383

383

304

285

291

312

383

422 

476

510

*476

436

444

472

515

555

596

690

684

7 13 

10,794

348

21,410

June

815

945

1,040

*1,170

1,230

1,290

1.550

1,270

1,070

945

822

684

560

550

520

462

492

607

*467 

570

440

602

490

395

367

351

36T?

391

391

422

21,056

702

41,760

Julv

413

530

283

270

**08

323

304

275

259

270

272

272

330

313

294

278

262

332

300 

262

*MB~ 252

291

285

371

515

35T

307

294

265

285

9,606

310

19,050

Aug.

275

259

352

m

232

225

*223

232

239

234

225

205

190

194

*203

199

199

184

201 

165

171

173

173

186

171

550" 160

294

*270

221

196

6,745

218

13, 380

Sept.

214

199

182

175

179

229

186

167

226

*275

236

280

594

987

545

387

313

612

*1,BBO 

1,210

880

737

565

738

809

980

809

662

520

413

16, 189

540

32,110

Calendar year 1956: Max 1,500 Min - Mean 178 Ac-ft 129,200

Water year 1956-57: Max 1,880 Min 8 Mean 197 Ac-ft 142,700

Peak discharge (base, 1,500 cfs). Sept. 19 (9 a.m.) 2,510 efa (6.11 ft)._____________________

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by ice Oct. 16 to May 5 (no gage-heigh*. record Nov. 4-12, 

14-26, Dec. 3 to Apr. 3, except occasional daysj discharge estimated on basis of 11 discharge measurements, weather records, and records for Ship Creek near Anchorage).
ALASKA WEST OF LONGITUDE 141 < 59

Susitna River near Denali, Alaska

Location. Lat 63°04'40", long 147°31'20", on left bank 1.4 miles upstream from Butte 

 Creek, 2.3 miles downstream from bridge on Denali Highway, 2.6 miles downstream from 

Windy Creek, and 1\ miles south of Denali.

Drainage area.--950 sq mi, approximately.

Records available. May to September 1957.

Gage.--Water-stage recorder. Altitude of gage is 2,450 fr (from topographic raep).

Extremes. Maximum gage height during period, 5.54 ft from floodmarks (discharge not 

determined); minimum not determined.

Remarks. Records poor.

Discharge, in cubic feet per second, May to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23 

24

25

26

27

28 

29

30

31

Total

Mean

Ao-ft

Oct. Nov. Dee. Jan. Feb.

t!36

Mar. Apr.

1-16 4

May

-

_

_

-

_

_

_

-

.

_

_

_

-

_

_

_

_

_

_

_

-

-

_

_

*5,280

4,970

.

-

-

June

4,810 

5,470

7,870

14,000

12,000

366,150

12,200

726,200

July

,12,000

*11,700

.11,000

*10, 800

12,700

 10,000

346,200

11,170

686,700

Aug.

,11,000

'10,300

. 9,100

6,950

11, 100 

10, 700

8,140 

5.. 540

302,830

9,769

600,700

Sept.

5,400 

5,400

5,180

5,470

5,560

5 340

5^500

5,530

5,400

5,340

4,910

4,970

4,810

4,810

4,600

4,570

3,500

3,000

3,770

3,240

2,530

2,130

1,800 

1,910

2,780

3,220

3,140

2,740 

2,130

1, 820

120, 500

4,017

239,000

Calendar year : Max Mln Mean Ac-ft

Water year : Max Mln Mean Ac-ft

* Discharge measurement made on this day.

t Result of discharge measurement.

Note. No gage-height record June 4 to July 9, July 11-23, July 26 to Aug. 12, A

large estimated on basis of 3 discharge measurements, weather records, and record

.1/1 r"Tloalr

charg

Gold Creek.

Aug. 12, Aug. 14-26; diss for station at

5Z7570 O -59 -5
60 ALASKA WEST OF LONGITUDE 141°

Susitna River at Cold Creek

Location. Lat 62°46 I 15", long 149°41'20", on right bank 0.2 mile upstream from Gold Creek, 

0.3 mile upstream from Alaska Railroad bridge, 1 mile north of Gold Creek Railroad Station, and 1.7 miles downstream from Indian River. Prior to June 6, 1957, at site 

0.3 mile downstream.

Drainage area. --6. 160 sq ml, approximately (Includes that of Gold Creek).

Records available. --Discharge: August 1949 to September 1957.

Chemical analyses: May 1951 to October 1952, October to November 1953, June to 

September 1955, June 1956, June to September 1957. 

Water temperatures: June to September 1957. 

Sediment records: April to September 1952; 1953, 1955-57 (periodic).

Gage . --Water-stage recorder. Datum of gage is 676.50 ft above mean sea level. Prior to 

June 6, 1957, wire-weight gage at site 0.3 mile downstream at same datum.

Average discharge. 8 years, 9,816 cfs (7,106,000 acre-ft per year).

Extremes . Maximum discharge during year, 42,200 cfs June 8 (gage height, 13.68 ft); minimum not determined.

1949-57: Maximum discharge observed, 58,100 cfs Aug. 26, 1955 (gage height, 

14.20 ft), site then in use; maximum gage height observed, 24.48 ft May 10, 1954 (ice 

Jam) site then in use; minimum discharge not determined.

Flood in May 1919 reached a stage of 19.2 ft, result of Ice Jam, from information by 

Bureau of Reclamation.

Remarks . Records fair except those for periods of no gage-height record, which are poor. 

Large d 

ductanc 

Alaska.

arge diurnal fluctuation caused by glacier melt at source. Records of specific conductance of daily samples available In district office, Quality of Water Branch, Palmer,

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23 

24 

25

26

27

28 

29

30

31

Total

Mean

Ac-ft

Oct.

. 7,200

(*)

. 4,500

180,000

5,806

357,000

Nov.

. 3,200

(*)

. 2,900

91,500

3,050

181,500

Dec.

. 3,400

. 1,900

66,400

2,142

131,700

Jan.

(*)

1 1,700

52 , 700

1,700

104,500

Feb.

(*)

 1,500

* -

42,000

1,500

83,310

Mar.

1 1,200

37,200

1,200

73,790

Apr.

 1,200

(*)

36,000

1,200

71,400

May

 4,300

' 9 , 400

<

122,000

28,000

30,300

 31.000 

30,100

30,000

30,000

426,400

13,750

845,800

June

32,000

33,000

34,100

34,600

35,800

37,800

40,400

40.600

38,8OO

38,800

36,500

34,300

34,800

31,000

28,300

27 , 900

26,600

28,600

30,500

28,700

28,700

32,900

29,500 

24,200 

21,000

18 . 500'

18,700

19,400 

19,600

19,300

904,900

30,160

*1,795

July

21,500

24,000

25,800

23,500

22,000

22,600

23,100

32,700

21,700

19,700

18 , 900

20,200

*21,900

24,200

24,400

24,500

22,300

31,400

26 , 900

25,500

22,400

20,700

19,400 

31,400 

38,100

34,500

31,200

26,300 

22,400

20,000

19,300

722,500

23,310

*1,433

Aug.

20 , 000

21,600

21,600

21,800

23,200

22,100

20,400

18 , 600

19,300

21,000

23,000

22,700

21,900

19,600

*18,400

19,800

21,500

21,900

20,500

18,500

17,600

19,300

20,800 

19,200 

17,800

17,200

16,900

16,700 

26 ! 600

25,000

636,700

20,540

*1,263

Sept.

22,400

21,600

21,600

17,600

16,300

16,600

18 , 000

20,700

18 , 100

18,700

20,000

18 , 100

19,200

26,200

24 , 200

21,000

17,000

19,000

22,000

25,000

20,000

16 , 500

14,700 

14,200 

16,000

20,000

27.000

25,800 

20,400

16,100

594,000

19,800

*1,178

Calendar year 1956: Max 51,500 Min - Mean 11,680 Ac-ft 8,482,000

Water year 1956-57: Max 40,600 Min - Mean 10,380 Ao-ft 7,518,000

Peak discharge (base, 35,000 cfs).--June 8 (10 a.m.) 42,200 cfs (13.68 ft); July 26 (6 p.m.) 35,600 

cfs (13.12 ft).__________________________________________________________________

* Discharge measurement made on this day.

* Expressed in thousands.

Note. Ho gage-height record Oct. 1 to May 26, except occasional readings (stage-discharge relation affected by ice during most of period), May 30 to June 2, Sept. 18-20, 25-27; discharge estimated on basis of 5 discharge measurements, weather records, and records for Mataruska River at 

Palmer.
SUSITNA RIVER AT GOLD CREEK Continued

Chemical analyses, in parts per million, January to Septemb

Date of collection

Feb. 14 .............

May 28 .............

June 21-30 ..........

July 1-10. ...........

July 21-31. ..........

Aug. 1-10...........

Aug. 11-20..........

Aug. 21-31..........

Sept. 1-10. ..........

Mean 

discharge 

(cfs)

7,200 

1,500 

31,000 

34, 100 

23, 200

22, 700 

23,000 

24, 200 

20, 900 

20, 800 

22, 000 

19, 200

Silica 

(SiO,)

13 

13 

5.4 

5.7 

5.6

5.6 

5.3 

5.8 

5.6 

4.5 

5.7 

6.2

Iron 

(Fe)

0.00 

.00 

.00 

.00 

.00

.00 

.00 

.00 

.04 

.02 

.05 

.11

Calcium 

(Ca)

32 

24 

11 

12 

23

21 

22 

21 

24 

25 

23 

24

Magnesium 

(Mg)

3.9 

4.4 

1.2 

1.4 

1.2

2.2 

3.0 

3.1 

1.5 

2.4 

2.9 

3.7

Sodium 

(Na)

14 

14 

2.9 

3.1 

4.0

3. 8 

3 9 

4! 3 

3.8 

3.6 

3.8 

4.2

Potassium 

(K)

3.0 

2.7 

1.3 

1.3 

3.2

2.2 

3.8 

3.1 

3.1 

3.5 

2.9 

2.8

Bicarbonate 

(HCO,)

98 

75 

35 

36 

64

65 

71 

66 

66 

68 

65 

63

Sulfate 

(S04 )

15 

14 

5.0 

6.0 

15

16 

18 

17 

15 

20 

22 

22

Chloride 

(Cl)

25 

27 

3.8 

4.0 

5.5

6.0 

5.5 

6.0 

6.0 

5.5 

6.0 

11

F

Temperature (°F) of water, June to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

June

._

_

48

49

49

51

50

52

52

53

52

_

52

July

_

56

57

56

57

58

_

53

..

--

_

63

59

_

Aug.

59

_.

58

58

57

58

57

58

57

57

59

59

55

57

__

Sept.

49

49

49

--

--

52

_

_.

-.

"

..

-_

--

_

..

Day

16

17

18

19

20

21

22

23

24

25

26

27

28

29

SO

31

Average .......................................

June

55

-.

-_

56

56

52

52

55

-

56

59

59

58

57

--

-

July

..

--

55

56

55

55

59

57

52

48

50

57

_

.-

60

-
ALASKA WEST OF LONGITUDE 141 c

SUSITNA RIVER AT GOLD CREEK--Continued

Suspended sediment, June to September 1957

Day

1......

2......

3. .....

5. .....

6. .....

7. .....

8. .....

9. .....

10. .....

12. .....

13. .....

14. .....

16. .....

17. .....

20. .....

21......

23......

24. .....

25......

26......

27. .....

28. .....

31......

Total.

1...... 

2. ..... 

3...... 

4...... 

5......

6. .....

8...... 

9. ..... 

10. .....

13. ..... 

14. ..... 

15......

18. .....

20. .....

23. .....

25......

26. ..... 

27...... 

28. ..... 

29. ..... 

30. ..... 

31. ..... 

Total.

June

Mean 

discharge 

(cfs)

32,000 

33,000 

34, 100 

34,600 

35, 800

37, 800 

40, 400 

40, 600 

38, 800 

38, 800

36, 500 

34, 300 

34, 800 

31,000 

28,300

27,900 

26,600 

28,600 

30, 500 

28,700

28, 700 

32,900 

29, 500 

24, 200 

21,000

18, 500 

18,700 

19,400 

19, 600 

19,300

904, 900

Suspended sediment

Mean 

concentration 

(ppm)

418 

470 

525 

654 

748

862 

1,120 

1,220 

1,080 

1,130

1,400 

1,380 

2,190 

2,070 

1,380

1,310 

1, 180 

1,220 

1,800 

1,670

1,490 

1,430 

1,250 

1,020 

909

792 

792 

1,010 

1,150 

1,390

-

Tons 

per 

day

36, 100 

41,900 

48, 300 

61, 100 

72,300

88, 000 

122,000 

134, 000 

113, 000 

118,000

138,000 

128, 000 

206,000 

173, 000 

105, 000

98, 700 

84, 700 

94, 200 

148, 000 

129, 000

115, 000 

127, 000 

99, 600 

66, 600 

51, 500

39, 600 

40, 000 

52, 900 

60, 900 

72,400

2, 864, 800

Total discharge for period June 1 to Sept. 

Percent of annual discharge during perio 

Total load for period June 1 to Sept. 6 (to

July

discharge 

(cfs)

21,500 

24, 000 

25,800 

23, 500 

22, 000

22,600 

23, 100 

22,700 

21,700 

19, 700

18,900 

20, 200 

21,900 

24,200 

24,400

24, 500 

22,300 

21,400 

26,900 

25, 500

22,400 

20, 700 

19,400 

21,400 

28, 100

34, 500 

31,200 

26,300 

22,400 

20,000 

19. 300

722, 500

Suspended sediment

Mean 

concentration 

(ppm)

1,750 

2,000 

1,760 

1,250 

1,120

1,200 

1,610 

1,570 

1,420 

1,030

902 

1,440 

1,960 

2,850 

2,910

2,730 

2,220 

1,670 

2,600 

1,910

1,580 

1,340 

1, 140 

1,110 

1,760

2,340 

1,700 

753 

549 

512 

549

-

Tons 

per 

day

102, 000 

130, 000 

123, 000 

79, 300 

66, 500

73, 200 

100, 000 

96, 200 

83, 200 

54, 800

46, 000 

78, 500 

116, 000 

186, 000 

192, 000

181, 000 

134, 000 

96, 500 

189, 000 

132, 000

95,600 

74,900 

59, 700 

64, 100 

134, 000

218,000 

143, 000 

53, 500 

33, 200 

27, 600 

28. 600

3,191,400

September

22, 400 

21,600 

21,600 

17,600 

16,300

16, 600

_. 

--

6. (cfs -days 

d

1,220 

1,010 

1, 130 

948 

690

534

--

73, 800 

58, 900 

65, 900 

45, 000 

30, 400

23, 900

--

August

Mean 

discharge 

(cfs)

20, 000 

2 1, 600 

21, 600 

21,800 

22, 200

22, 100 

20, 400 

18, 600 

19, 300 

21,000

23, 000 

22, 700 

21,900 

19, 600 

18, 400

19, 800 

21,500 

21,900 

20, 500 

18, 500

17, 600 

19, 300 

20, 800 

19, 200 

17, 800

17, 200 

16, 900 

16, 700 

23,200 

26, 600 

25. 000

636, 700

Suspended sediment

Mean 

concentration 

(ppm)

735 

1,000 

1,210 

1,410 

1,660

1,740 

1,420 

1,140 

1,430 

1,830

2,450 

2,450 

1,970 

1,650 

1,830

2,060 

2,350 

2,140 

1,490 

1,490

1,260 

1,490 

1,270 

865 

781

754 

736 

856 

2,050 

2,620 

1.800

~

Tons 

per 

day

39, 700 

58, 300 

70, 600 

83, 000 

99, 500

104, 000 

78, 200 

57, 200 

74, 500 

104, 000

152,000 

150, 000 

116, 000 

87, 300 

90, 900

110, 000 

136, 000 

127, 000 

82,500 

74, 400

59, 900 

77, 600 

71, 300 

44, 800 

37, 500

35, 000 

33, 600 

38, 600 

s 134, 000 

188, 000 

122. 000

2,737,400

..........................................

ns) ...................................................

2, 380, 200 

62.8 

9, 091, 500

s Computed by subdividing day.
SUSITNA RIVER AT GOLD CREEK Continue

Particle-size analyses of suspended sediment, June to Sept

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanica

Date 

of 

Collection

July 10 ..........

Sept. 6 ..........

Time

2:20 p.m. 

6:30 p.m. 

11:00 a. m. 

11:00 a. m.

8:30 p.m. 

10:30 a. m. 

4:30 p. m. 

7:45 a.m.

Discharge 

(cfs)

33, 400 

29, 300 

25, 500 

20, 200

17, 700 

21,600 

23, 500 

16, 700

Water 

temperature 

(°F)

56 

56

55 

57 

52 

52

Suspended s

Concentration 

of sample 

(ppm)

548 

1,474. 

2,179 

1,004

1,200 

2,200 

2,405 

582

Concentration 

of suspension 

analyzed 

(ppm)

1,433 

2,965 

4,191 

1,709

3,660 

3,310 

2,778 

2,100

Percent f

0.002

14 

24 

18 

29

20 

14 

13 

19

0.004

16 

33 

25 

34

27 

20 

17 

24

0.008

17 

40 

32 

44

38 

28 

22 

28

0.016

24 

53 

47 

56

50 

42 

31 

38
64 ALASKA WEST OP LONGITUDE 141'

Uganlk River near Kodiak

Locatlon.--Lat 57°41'05", long 153°25'10", on Kodlak Island, on right bank half a mile upstream from tidewater of East Arm Uganlk Bay, 1 mile downstream from Mush Lake tributary, 4 miles downstream from Uganlk Lake, and 40 miles west of Kodlak.

Drainage area. 123 sq ml.

Records available.--May 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage Is 20 ft (from topographic map).

Average discharge. 6 years, 598 cfs (432,900 acre-ft per year).

Extremes. Maximum discharge during year, 5,680 cfs June 10 (gage height, 8.41 ft), from

rating curve extended above 1,400 cfs by logarithmic plotting; minimum not determined.

1951-57: Maximum discharge, 13,700 cfs Oct. 3, 1952 (gage height, 10.65 ft), from

rating curve extended above 2,500 cfs by logarithmic plotting; minimum not determined.

Remarks.--Records good except those above 1,400 cfs and those for period of doubtful gageheight record, which are fair, and those for periods of ice effect or no gage-height 

record, which are poor.

Discharge, in cubic feet per second, water year October 1956 to Septe-nber 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Cfsm

In.

Ac-ft

Oct.

267

254

240

*222

211

204

196

185

179

192

204

200

200

200

200

204

196

189

182

175

159

153

159

153

142

148

182

163

166

150

145

5,820

188

1.53

1.76

11,540

Nov.

140

b!40

b!30

b!30

b!30

b!30

b!20

b!20

b!20

b!20

b!20

bllO

bllO

blOO

b98

b90

b92

b95

b93

bB9

b85

b82

b83

b87

95

119

410

579

451

313

4,581

153

1.24

1.39

9,090

Dec.

244

b200

b220

b!60

b!30

bllO

98

' 110

3,706

120

0.976

1.12

7,350

Jan.

> 95

81

2,721

87.8

0.714

0.82

5,400

Feb.

(*)

100

74

"

2,462

87.9

0.715

0.74

4,880

Mar.

76

90

110

140

160

165

162

160

162

162

154

147

144

135

126

130

168

184

170

157

147

137

130

122

117

113

107

106

106

115

170

4,272

138

1.12

1.29

8,470

Apr.

206

262

262

251

240

236

233

219

212

209

206

212

216

219

216

209

206

209

240

266

315

380

*410

417

438

452

4T7

374

345

325

8,402

280

2.28

2.54

16,670

May

315

300

300

296

305

330

368

431

520

699

1,010

1,120

1,250

1,190

1,060

1,190

1,700

1,530

1,470

1,420

1,400

1,300

1,260

1,080

920

1,010

1,220

1,220

1,200

1,320

1,530

30,264

976

7.93

9.15

60,030

June

2,060

2,170

2,130

2,050

1,950

*1,700

1,630

1,700

1,600

3,650

4,680

2,800

1,870

1,580

1,400

1,260

1,320

1,420

1,320

1,170

1,040

1,050

1,080

1,140

1,210

1,320

1,240

1,160

1,200

1,090

50,990

1,700

13.8

15.42

101 , 100

July

985

850

764

830

1,100

910

764

870

985

996

1,010

1,050

860

690

628

628

663

*628

560

636

735

636

520

445

424

424

431

424

431

410

560

21,667

699

5.68

6.55

42,980

Aug.

356

340

315

315

345

350

362

350

345

335

310

287

287

305

296

287

296

283

*262

287

362

350

315

287

373

830

1,110

708

488

398

368

11,902

384

3.12

3.60

23,610

Sept.

486

4,070

3,890

3,340

3,400

2,050

1,240

1,030

952

840

1,080

4,520

3,060

1,470

952

782

708

744

645

560

611

560

*594

1,950

2,050

1,300

900

754

628

520

45,686

1,523

12.4

13.81

90,620

Calendar year 1956 : Max 3,300 Min - Mean 554 Cfsm 4.50 In. 61.36 Ac-ft 402,400

Water year 1956-57: Max 4,680 Min - Mean 527 Cfam 4.28 In. 58.19 Ac-ft 381,700

Peak discharge (base. 3,400 cfs).--June 10 (11 p.m.) 5,680 cfs (8.41 ft); Sept. 2 (7:30 a.m.; 

5,550 cfs (8.29 ft); Sept. 12 (4 p.m.) 5,550 cfs (8.25 ft).__________________________

* Discharge measurement made on this day.

b Stage-discharge relation affected by ice.

Note.--Doubtful gage-height record Mar. 4 to Apr. 22; discharge computed from recorded graph and 

weather records. No gage-height record Dec. 7 to Mar. 3 (stage-discharge relation affected by ice 

during part of period); discharge estimated on basis of 1 discharge measurement End weather records.
ALASKA WEST OF LONGITUDE 141° 65

Newhalen River near Iliamna

Location.--Lab 59°52', long 154°52', on left bank 1 mile upstream from rapids, 1 mile 

downstream from old portage dock, 8 miles downstream from Fish Village, 8 miles downstream from outlet of Sixmile Lake, and 8 miles north of Iliamna.

Drainage area. 3,300 sq mi, approximately.

Records available. July 1951 to September 1957.

Gage. Water-stage recorder. Altitude of gage is 210 ft (from topographic mar).

Average discharge. 6 years, 8,865 cfs (6,418,000 acre-ft per year).

Extremes. Maximum discharge during year, 25,100 cfs Sept. 15 (gage height, 7.05 ft); minimum not determined.

1951-57: Maximum discharge, 29,600 cfs July 1, 1953 (gage height, 8.03 ft); minimum 

not determined.

Remarks. Records good except those for period of no gage-height record, whict are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23 

24

25

26

27

28

29

30 

31

Total

Mean

Ac-ft

Oct.

15.200 

12,900

*12,500

12,000

11,500

11,200

10,900

10,700

10,400

10,200

9,870

9,560

9,310

9,130

8,990

8,660

8,380

8,090

7,700 

7,390

7,120

6,880

6,600 

6,400

6,200

6,000

5,800

5,600

5,400

5,200 

5.100

268,880

8,674

533,300

Nov.

> 4,000

- 3,900

118,500

3,950

235,000

Dec.

. 3,900

 2,500

98 , 500

3,177

195,400

Jan.

. 2,100

(*)

 1,900

61,900

1,997

122,800

Feb.

, 1,600

. 1,500

-

43,500

1,554

86,280

Mar.

1,400

43,400

1,400

86,080

Apr.

. 1,600

, 1,900

52,500

1,750

104,100

Calendar year 1956: Max 25,400 Min - Mean 8,179

May

, 2,500

> 4,600

111,100

3,584

220,400

June

6,200 

8,900

9,500

10,000

11,000

12,000

*13,000

13,800

14,700

15,500

16,200

16,700

17,000

17,400

17,800

18,100

18,300

18,400

18,500 

18,500

18,500

18,700

18,800 

18,800

18 , 900

18 , 900

18,900

18 , 700

18,700

18 , 900

481,300

16,040

954,600

July

18 , 900 

19,000

19,100

19,000

18,700

18,500

18,500

18,700

18,700

18,700

18,700

19,300

19,400

19,400

19,300

19,400

19,500

*19.800

19,700 

19,500

19,000

19,000

18,600 

18 , 400

17 , 900

17,800

17,700

17,400

17,300 

17 200

1?! 100

579,200

18,680

1A43 000

Aug.

17,100 

17,200

17,300

17,200

17,200

17,200

17 , 100

16,900

16,900

17,200

17,400

17,600

17,800

17,800

17,700

17,600

17,800

18 , 000

*18.200 

18,000

17,600

17,000

16,700 

16,300

16,100

16,100

16,300

16 , 900

17,400

17,500 

17,400

534,500

17,240

1.060,000

Sept.

17.200 

17,500

17,800

19,300

20,500

21 , 100

21,500

21,500

21,500

21,500

21,400

21,800

23,100

24,500

25.100

24,800

24,300

24,000

24,100 

24,300

24,100

23,600

23,000 

*22,600

21,700

20,900

20,300

19,500

18,700 

18,100

649,300

21,640

L,288,QOO

Ac-ft 5,938,000

Water year 1956-57: Max 25,100 Min - Mean 8,336 Ac-ft 6,035,000

* Discharge measurement made on this day.

Note.--No gage-height record Oct. 23 to June 6 (stage-discharge relation affected by ice during 

most of period); discharge estimated on basis of 2 discharge measurements, weather records, and records for nearby streams.
66 ALASKA WEST OF LONGITUDE 141°

Nuyakuk River near Dillingham

Location. Lat 59°56', long 158°12', on left bank 1,000 ft downstream frcm outlet of 

Tikchik Lake, half a mile upstream from unnamed tributary, and 62 miles north of 

Dillingham.

Drainage area.--1.490 sq mi, approximately.

Records available.--May 1953 to September 1957.

Gage.--Water-stage recorder. Altitude of gage is 350 ft (from topographic map).

Extremes. Maximum discharge during year, 16,000 cfs Sept. 18 (gage height, 4.61 ft); minimum not determined.

1953-57: Maximum discharge, 22,400 cfs July 15, 1955 (gage height, 6.11 ft); minimum not determined.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

7,950

7,810

*7,600

7,260

6,890

6,700

6,510

6,300

6,120

6,050

5,880

5,710

5,570

5,460

5,350

5,200

5,100

5,000

4,800

4,700

4,600

4,500

4,400

4,300

4,200

4,100

4,000

3,900

3,800

3,800

5,700

167,240

5,395

331,700

Nov.

> 3,200

, 3,600

100,000

5,555

198,500

Dec.

. 3,300

. 2,200

84,700

2,732

168,000

Jan.

. 1,800

(*)

55,800

1,800

110,700

Fet .

1,400

~

39,200

1,400

77,750

Mar.

. 1,400

43,400

1,400

86,080

Apr.

(*)

 1,700

51,000

1,700

101,200

May

1.900

1,900

2,000

2,000

2,000

2,100

2,100

2,200

2,200

2,300

2,400

2,600

2,700

2,800

3,000

5,300

3,700

4,200

4,800

5,450

6,050

6,570

7,070

7,610

8,180

8,600

9,000

9,440

9,930

10,300

10,600

149,000

4,806

295,500

June

11,100

11,500

11,800

12,100

12,500

15,000

13,400

*13,700

15,900

14,100

14,500

14,300

14,300

14,300

14,300

14,300

14,500

14,000

15,900

15,800

15,500

13,400

13,200

12,800

12,400

12,300

12,000

11,700

11,300

10,900

392,400

15,080

778,300

July

10,600

10,500

10,100

9,940

9,680

9,450

9,140

8,850

8,560

8,080

7,810

7,750

7,570

7,420

7,230

6,920

6,640

*6,540

6,410

6,220

6,120

6,020

5,780

5,620

5,460

5,310

5,200

5,100

4,900

4,800

4.700

224,180

7,232

444,700

Aug.

4.600

4,500

4,400

4,300

4,300

4,200

4,100

4,100

4,000

4,000

3,900

3,900

3,800

3,800

5,700

3,700

5,700

5,600

5,600

*5,610

5,600

5,600

5,500

5,500

5,500

3,500

3,500

3,600

3,700

5,800

3,900

119,510

5,855

257,000

Sept.

4.100

4,500

5,040

6,280

7,160

7,400

7,640

8,020

*9,480

10,400

10,700

12,500

14,000

14,700

15,200

15,400

15,400

15,700

15,800

15,600

15,200

14,900

14,400

*14,000

15,400

12,800

12,400

11,900

11,400

10,900

346,320

11,540

686,900

Calendar year 1956: Max 19,000 Kin - Mean 5,456 Ac-ft 3,961,000

Water year 1956-57: Max 15,800 Min - Mean 4,857 Ac-ft 3,516,000

* Discharge measurement made on this day.

Note.--No gage-height record Oct. 16 to May 18 (stage-discharge relation affected by ice during 

part of period), July 28 to Sept. 2; discharge estimated on basis of 5 discharge measurements and 

weather records.
ALASKA WEST OF LONGITUDE 141° 

Kuskokwim River at Crooked Creek

67

Location. Lat 61°52', long 158°07', on right bank at Parent's Trading Post, 0.2 mile upstream from Crooked Creek and 0.7 mile upstream from village of Crooked Creek.

Drainage area. 31.100 sq mi, approximately.

Records available. Discharge: June 1951 to September 1957. 

Chemical analyses: May to September 1957. 

Water temperatures: May to September 1957.

Gage.--Staff gage read twice daily. Altitude of gage is 200 ft (from topographic map). 

Average discharge. 6 years, 42,550 cfs (30,800,000 acre-ft per year).

Extremes. Maximum discharge not determined, occurred May 7; minimum not determined.

1951-57: Maximum discharge not determined; maximum daily discharge, 26C.OOO cfs 

May 7, 1957; maximum gage height, 25.4 ft May 1, 1953 (ice jam), from flootfmarks; minimum discharge not determined.

Remarks.--Records fair except those above 120,000 cfs and those for periods of ice effect 

or no gage-height record, which are poor. Records of specific conductance of daily 

samples available in district office, Quality of Water Branch, Palmer, Alaska.

Discharge, in cubic feet per second, water ye_ar October 1956 to September 1957

Day

1

2 

3

4

5

6

7

a

9

10

11

12

13

14

15

16

17

18

19

20

21 

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

56,000

*56.500 

56,300

54,900

53,000

50,000

48,000

46,000 

43,000

41,200

40,700

 32,000

.22,000

* 1,0 7 5.6

34,700

*2,133

Nov.

,16,000

 12 , 000

420,000

14,000

833,100

Dec.

 10,000

310,000

10,000

614,900

Jan.

 9,300

(*)

288,300

9,300

571,600

Feb.

 9,600

-

268,800

9,600

533,200

Mar.

. 10,000

310,000

10,000

614,900

Apr.

(*)

>11,000

,19,000

450,000

15,000

892,600

May

80.000

120,000 

160,000

210,000

240,000

250,000

260,000

250,000 

250,000

240,000

230,000

223,000

215,000

203,000

166,000

169,000

154,000

139,000

128,000

121,000

120,000 

122,000

127,000

125,000 

118,000

108,000

99,000

93,700

91,400

90,300

89 , 000

* 5,01 1.4

161,700

*9,940

June

88,200

88,800 

89,900

90,000

89,500

87,500

84,300

85,300 

*86,200

87,300

87,400

86,100

88,800

86,500

84,200

82,100

80,000

79,200

77,700

78,000

80,000 

78,700

75,800

74,600 

70,700

65,900

63,600

60,400

57,100

55,500

*2,389.1

79,640

$4,739

July

53,300

53,000 

52,000

51,700

52,300

52,100

51,900

50,400 

49,800

49,600

46,300

47,100

47,200

47,000

47,200

47,400

48,600

*48,900

49,500

51,600

51, 800 

51,400

53, 400

55,600 

51,000

48,600

48,000

48,200

46,000

43,100 

41,100

tl,535.1

49,450

*3,041

Aug.

39,400

39,400 

39,600

39,700

39,500

40,000

41,700

42,800 

42,500

42,000

42,900

44,200

44,200

43,500

44,000

45,000

45,100

45,400

46,000

*46,100

46,000 

45,600

44,600

44, 200 

41,000

36,900

36,000

55. 400

36,400

38,000 

40,000

*1,297.1

41,840

*2,573

Sept.

41,000

42,000 

43,600

43,000

41,000

40, 600

39,800

59.100 

40,300

40,900

41,500

43,500

45,400

47,500

52,900

57.900

60,000

62,000

61,000

61.200

65, 400 

63.000

59,400

57,800 

*55,300

51,400

49,000

45,300

42,200 

40,000

*1,473

49. 100

*2,922

Calendar year 1956: Max - Min - Mean 43,690 Ac-ft 31,720,000

Water year 1956-57: Max 260,000 Min - Mean 40,620 Ac-ft 29,410,000

Discharge measurement made on this day. 

* Expressed expressed In ithousands.

Note. No gage-height record Oct. 5-9, Oct. 12 to May 11 (stage-discharge relation affected by ice 

luring most of period), July 14, 25, 27, 29, Aug. 16, 25, 27, 30, Sept. 2, 4, 5, 17-19, 22, 30; dlsiharge Interpolated or estimated on basis of 2 discharge measurements, observer's notes, and weather

records.
KUSKOKWIM RIVER AT CROOKED CREEK Contin

Chemical analyses, in parts per million, water year October 1956 

Date of collection

Apr. 4 ..............

May 21-31 ...........

June 11-16...........

June 21-30...........

July 21-31 ...........

Aug. 11-20 ..........

Sept. 11-20 ..........

Sept. 21-30 ..........

Weighted averagea. . .

Mean 

discharge 

(cfs)

56, 500 

9,300 

11, 000 

171,000 

108, 000

87, 700 

83, 000 

68, 200 

51, 600 

48, 100 

48, 700

40, 700 

44, 600 

40, 400 

41, 100 

53, 300 

52, 900

40,620

Silica 

(SiO,)

9.2 

11 

12 

5.9 

7.8

8.4 

8.6 

8.9 

9.8 

8.2 

8.7

9.6 

9.5 

8.7 

9.2 

8.5 

9.2

8.4

Iron 

(Fe)

0.11 

.00 

.75 

.13 

.13

.08 

.00 

.00 

.00 

.00 

.00

.01 

.00 

.00 

.06 

.09 

.00

-

Calcium 

(Ca)

26 

38 

31 

17 

20

23 

30 

30 

29 

31 

31

31 

33 

32 

32 

31 

33

26

Magnesium 

(Mg)

5.6

7.7 

7.3 

3.4 

3.7

4.3 

5.1 

6.0 

6.6 

6.4 

6.4

7.3 

6.4 

7.0 

8.4 

8.1 

6.6

5.4

Sodium 

(Na)

1.8 

2.2 

3.0 

1.1 

1.5

2.2 

2.0 

2.4 

3.0 

2.3 

2.2

2.0 

2.3 

2.3 

2.1 

2.1 

2.6

2.0

Potassium 

(K)

0.7 

1.0 

1.0 

.7 

.7

.7 

1.0 

1.4 

1.5 

1.3 

1.3

1.1 

1.1 

.8 

1.1 

1.0 

1.8

1.0

Bicarbonate 

(HCO,)

94 

139 

120 

60 

69

77 

99 

100 

101 

104 

103

103 

100 

102 

102 

97 

110

90

Sulfate 

(SO,)

14 

17 

13 

9.0 

12

11 

19 

22 

25 

22 

25

26 

26 

26 

30 

30 

22

17

Chloride 

(CD

0.5 

.2 

.5 

.2 

.5

1.0 

.8 

2.0 

1.5 

1.5 

2.0

1.5 

1.0 

1.0 

2.0 

1.5 

2.0

0.9

a Represents 100 percent of runoff for water year. Concentrations estimated for period Oct. 1, 1956 to May 11, 1957 from p

Temperature (*F) of water, May to September 195

Day

1

2

3

4

5

6

7

8

9

10

May

__

_

_

..

_.

_

_.

_.

June

50

50

52

54

57

60

60

63

63

63

July

61

60

60

60

60

62

60

60

60

__

Aug.

60

61

66

61

60

60

61

62

61

61

Sept.

40

42

42

_

42

42

41

50

_

46

Day

11

12

13

14

15

16

17

18

19

20

May

._

41

40

40

41

41

42

44

45

45

June

63

63

63

60

60

60

._

_

..

July

61

62

61

61

58

58

60

61

60

60

Aug.

61

59

59

59

61

59

60

59

59

56

Sep

42

54

53

53

45

5

57

50

49

42

Average .........................................................................................
ALASKA WEST OP LONGITUDE 141° 69 

Yukon River at Eagle

Location. Lat 64°47'30", long 141°12'00", on left bank at Eagle, an eighth of a mile upstream from Mission Creek, 1.1 miles downstream from Castalia Creek, and 11 miles downstream from international boundary.

Drainage area.--113,500 sq mi, approximately.

Records available. Discharge: January 1911 to December 1913, June 1950 to September 1957. 

Monthly discharge only for some periods, published in WSP 1372.

Chemical analyses: April to October 1951, June to September 1952.

Water temperatures: May to October 1951, June to August 1952.

Sediment records: July and October 1954, April and August 1955 (periodic).

Gage. Water-stage recorder. Altitude of gage is 750 ft (from topographic map). January 

1911 to December 1913 staff gage at site half a mile downstream at different datum. 

June 22, 1950, to Sept. 30, 1955, staff gage at site 1.1 miles upstream at present 

datum. Oct. 1, 1955, to Aug. 10, 1957, staff gage at present site and datum.

Average discharge. 9 years, 70,970 cfs (51,380,000 aore-ft per year).

Extremes. Maximum discharge during year, 561,000 cfs May 30 (gage height, 23.01 ft), from 

rating curve extended above 230,000 cfs by logarithmic plotting; minimum not determined. 

1911-13, 1950-57: Maximum discharge, that of May 30, 1957; minimum not determined.

Remarks. Records fair except those for period of no gage-height record, which are poor. 

Revisions (water years). WSP 1372: 1911-14, drainage area.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

60.700

80,000

79,300

*77,600

76,200

75,500

74,000

72,100

70,000

67,000

62,000

57,000

54,000

51,000

48,000

47,000

45,000

44,000

42,000

42,000

41,000

40,000

40,000

39,000

39,000

39,000

38,000

38,000

38,000

38,000

57.000

*1,671.4

53,920

$3,315

Nov.

 34,000

(*)

*1,020

34,000

*2,023

Dec.

.27,000

837,000

27,000

*1,660

Jan.

.21,000

651,000

21,000

*1,291

Feb.

16,000

_

448,000

16., 000

888,600

Mar.

 14,000

(*)

434,000

14,000

860,800

Apr.

> 14, 000

.15,000

-

435,000

14,500

862,800

May

.25,000

.70,000

£20,000

322,000

387,000

428,000

485,000

553,000

511,000

*4,736

152,800

*9,394

June

467,000

462,000

455,000

447,000

399,000

367,000

323,000

327,000

330,000

332,000

334,000

320,000

300,000

290,000

270,000

250,000

235,000

*232,000

224,000

220,000

228,000

239,000

245,000

257,000

276,000

272,000

260,000

255,000

251,000

246,000

-------

*9,113

303,800

$18,080

July

244,000

234,000

228,000

228,000

226,000

222,000

217,000

213,000

214,000

225,000

233,000

217,000

201,000

200,000

190,000

190,000

180,000

180,000

170,000

170,000

170,000

160,000

160,000

160,000

150.000

150,000

150,000

150,000

160,000

160,000

"153,000

$5,905

190,500

til, 710

Aug.

1*4,000

136,000

134,000

132,000

131,000

130,000

130,000

128,000

128,000

129,000

*126,000

123,000

123,000

122,000

121,000

119,000

117,000

116,000

119,000

121,000

126,000

121,000

119,000

119,000

122,000

126,000

123,000

121,000

"118,000

116,000

118,000

t3,858

124,500

47,652

Sept.

118,000

116,000

113,000

109,000

105,000

102,000

101,000

101,000

101,000

98,800

96,300

94, 700

94,200

93,000

92,500

93,000

95,000

100,000

110,000

120,000

150,000

130,000

120,001.

120,000

110,000

110,000

100,000

98,000

94,000

90,000

13,155.5

105,200

*6,259

Calendar year 1956: Max 230,000 Min - Mean 69,050 Ac-ft 50,120,000

Water year 1956-57: Max 553,000 Min - Mean 88,390 Ac-ft 64,000,000

* Discharge measurement made on this day.

* Expressed in thousands.

Note. No gage-height record Oct. 9 to May 25 (stage-discharge relation affected by ice during 

most of period], June 12-16, July 14-30, Sept. 17-30; discharge estimated on basis of 4 discharge 

measurements, weather records, and records for stations at Rampart, Ruby, and near Kaltag.
70 ALASKA WEST OP LONGITUDE 141°

Yukon River at Rampart

Location. Lat 65°31', long 150°11', on left bank at Rampart, half a mile downstream from 

Squaw Creek, 1-J- miles downstream from Minook Creek, and 3-£ miles upstream from Russian 

Creek.

Drainage area. 199,400 sq mi, approximately.

Records available.--Discharge: June 1955 to September 1957.

Chemical analyses: June to September 1954, June to October 1955, June to September 

1956.

Water temperatures: June to August 1954, June, August, September 1955, May to September 1956.

Gage. Staff gage read twice daily. Altitude of gage is 300 ft (from topographic map).

Extremes. Maximum discharge during year, 686,000 cfs June 2 (gage height, 46.40 ft, from 

graph based on gage readings), from rating curve extended above 350,DOT cfs by logarithmic plotting; minimum not determined.

1955-57: Maximum discharge, that of June 2, 1957; minimum not determined.

Remarks. Records fair except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

160,000

149,000

135,000

128,000

122,000

116,000

110,000

100,000

95, 000

88,000

82,000

74,000

68,000

62 , 000

57,000

54,000

52,000

50, 000

49,000

47,000

46,000

45,000

44,000

44,000

43,000

42 , 000

42,000

41,000

41,000

40, 000 

59.000

*2,265

73,060

*4,493

Nov.

 34,000

*1,020

34,000

*2,023

Dec.

(*)

.27,000

837,000

27,000

*1,660

Jan.

23,000

713,000

23,000

*1,414

Feb.

 19,000

532,000

19,000

*1,055

Mar.

17,000

(»)

5£7,000

17,000

*1,045

Apr.

> 17,000

> 19,000

540,000

18.0OO

*1,071

May

24.000

25,000

26,000

28,000

30,000

33,000

36,000

40,000

45,000

50,000

55,000

62,000

70,000

82,000

98,000

120,000

150,000

190,000

240,000

300, 000

345, 000

367,000

419,000

487,000

536,000

570, 000

600, 000

625,000

645,000

659,000 

669,000

*7,626

246,000

*15,130

June

680,000

685,000

676,000

645,000

589,000

531,000

489,000

475,000

474,000

476,000

477,000

461,000

446,000

426,000

408,000

387,000

359,000

*330,000

305,000

291,000

282,000

275,000

270,000

262,000

261,000

265,000

266,000

271,000

279,000

285,000

*12,326

410,900

*24,450

July

282,000

277,000

271,000

265,000

261,000

256,000

260,000

266,000

267,000

267,000

268,000

270,000

272,000

280,000

283,000

285,000

270,000

253,000

245,000

239,000

233,000

228,000

222,000

216,000

210,000

204,000

*199,000

196,000

193j_000

195,000 

197,000

$7,630

246,100

$15,130

Aug.

200,000

198,000

192,000

187,OOC

181,000

175,000'

169,000

167, OOC

165, OOC

162, OOC

160, OOC

159, OOC

158, OOC

161, OOC

165, OOC

158, OOC

157, OOC

155, OOC

153,000

150, OOC

148, OOC

148, OOC

150, OOC

157,000

161, OOC

165, OOC

176, OOC

186,000

187,000

*L82,OOC 

175, OOC

*5,207

168, OOC

*10,33C

Sept.

170,000

164,000

161,000

157,000

157,000

159,000

160,000

161,000

159,000

156, 000

152,000

149,000

147,000

145,000

141,000

142,000

146,000

151,000

160,000

165,000

170,000

177,000

198,000

199.000

197,000

180,000

172,000

163,000

148,000

144,000

*4,850

161,700

*9,620

Calendar year 1956: Max 415,000 Min - Mean 101,500 Ac-ft 73,650,000

Water year 1956-57: Max 685,000 Min - Mean 120,700 Ac-ft 87,420,000

* Discharge measurement made on thia day.

* Expressed in thousands.

Note. Stage-discharge relation affected by ice Oct. 6-31. No gage-height record Nov. 1 to May 20 

(stage-discharge relation affected by Ice during most of period); discharge estimated on basis of 

2 discharge measurements, weather records, and records for other stations on the Yukon River.
ALASKA WEST OF LONGITUDE 141' 71

Tanana River at Northway Junction

Location. Lat 63°00', long 141 °48', near left bank on downstream side of bridge on highway from Northway Junction to Northway, half a mile southwest of Northway Junction and 

4 miles upstream from Nabesna River.

Drainage area. 3,280 sq mi, approximately.

Records available . Discharge: July 1949 to September 1957. 

Sediment records: 1953-57 (periodic).

Gage. Wire-weight gage read once daily. Datum of gage is 1,682.85 ft above nean sea 

Tevel.

Average discharge.--8 years, 2,221 cfs (1,608,000 acre-ft per year).

Extremes . Maximum discharge during year, 8,670 cfs July 12 (gage height, 11.70 ft); minimum not determined.

1949-57: Maximum discharge observed, 8,860 cfs Aug. 9, 1953 (gage height, 12.10 ft); 

minimum discharge not determined.

Remarks. Records good except those for period of ice effect, which are poor. Large diurnal fluctuation caused by glacier melt at the source.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22 

23

24

25

26

27

28

29

30

31

Total

Mean

Ac- ft

Oct.

1.680 

1,600

1,530

1,510

1,480

*1,500

1,440

1,340

1,260

1,200

1,100

1,100

1,100

1,000

1,000

1,000

990

970

950

940

920

910

900

880

870

860

850

850

840

840

850

34,240

1,105

67,910

Nov.

, 790

> 850

24,600

820

48,790

Dec.

(*)

770

 720

23,070

744

45,760

Jan.

720

22 , 320

720

44,270

Feb.

720

-

_

20,160

720

39,990

Mar.

720

(*)

, 760

22,960

741

45,540

Apr.

> 770

820

860

870

880

900

920

24,180

806

47,960

May

960 

990

1,020

1,120

1,340

1,540

1,980

2,620

3,780

4,770

5,640

6,200

6,680

6,580

6,680

6,450

6,160

6,170

6,340

6,440

6,560

6,760 

7,070

7.150

7,040

6,880

6,900

6,260

5,930

5,710

5,500

155,200

5,006

507,800

June

5,540 

5.280

5,280

5,500

5,600

5,780

6,120

6,400

6,620

6,710

6,740

6,550

6,510

6,190

6,090

*6,060

5,810

5,720

5,880

6,200

6,620

6.820 

6,740

6,820

6,780

6,510

6,170

5,930

5,740

5,810

184,520

6,144

565,600

July

6.140 

6,450

6,650

6,610

6,560

6,560

7,180

7,080

7,520

7,580

8,210

8.580

8,560

8,400

8,210

8,100

7,880

,760

,560

,480

,240

,000 

,860

,500

,500

,460

,670

,970

,150

,970

,420

231,210

7,458

458,600

Aug.

6.940 

*6,710

6,650

6,550

6,480

6,410

6,100

5,810

5,500

5.440

5,650

6,020

6,270

6,550

6,580

6,330

6,270

6,140

6,140

6,120

5,910

5,780 

5,490

5,550

5,790

5,930

6,270

6,660

6,260

6,200

5,910

189,990

6,129

376,800

Sept.

*5.460 

5,050

4,580

4,200

4,080

4,100

5,870

5,880

5,850

5,580

5,570

5,460

3,380

3,570

3,550

5,270

2,940

2,490

2,490

2,520

2,480

2,410 

2,290

2,190

1.990

2,140

2,250

2,550

2,420

2,540

96,910

5,250

192,200

Calendar year 1956 : Max 7,350 Mln - Mean 2,010 Ac-ft 1,459,000

Water year 1956-57 : Max 8,580 Mln - Mean 2,820 Ac-ft 2,041,000

* Discharge measurement made on this day.

Note. Stage-discharge relation affected by Ice Oct. 7 to May 1 (no gage-height record Oct. 10 to 

Apr. 27; discharge estimated on basis of 2 discharge measurements, weather records, and records for 

station at Big Delta).
TANANA RIVER AT NORTHWAY JUNCTION Conti

Chemical analyses, in (

Date of collection

May 23 ..............

July 10 ..............

Sept. 17 .............

Mean 

discharge 

(cfs)

2,600 

7,130 

7,580 

6,940 

2,910

SUlca 

(S10a)

10 

8.3 

8.3 

8.7 

9.4

Iron 

(Fe)

0.24 

.08 

.00 

.18 

.03

Calcium 

(Ca)

33 

33 

38 

34 

35

Magnesium 

(Mg)

5.9 

5.9 

8.4 

6.7 

8.5

Sodium 

(Na)

4.0 

2.6 

4.6 

4.3 

4.9

Potassium 

(K)

1.4 

1.6 

1.3 

1,0 

1.0

 arts per million , Ma

Bicarbonate 

(HCO,)

111 

111 

134 

110 

134

Sulfate 

(S0«)

20 

13 

30 

25 

25

f to Septem

Chloride 

(Cl)

0.2 

.2 

1.0 

1.0 

1.5

Periodic determinations of suspended-sediment discharge May to 

Date

May 8, 1957 ..............

July 10. ..................

Sept. 17 .................

Discharge 

(cfs)

2,600 

7,130 

7,580 

6,940 

6,200 

2,910

Susp

Mean 

concentration 

(ppm)

1,770 

2,460 

1,620 

1,160 

1,850 

620

Particle-size analysis of suspended sediment, Augu

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanic

Date 

of 

Collection

Aug. 29, 1957

Time

9:00 a. m.

Discharge 

(cfs)

6,200

Water 

temperature 

<°F)

Suspended 

Concentration 

of sample 

(ppm)

1,850

Concentration 

of suspension 

analyzed 

(ppm)

4,980

Percent 

0.002

22

0.004

28

0.008

39

0.016

50
ALASKA WEST OP LONGITUDE 141 c 73

Tanana River near Tanacross

Location. Lat 63°23'15", long 143°44'45", on left bank a quarter of a mile downstream 

from unnamed tributary, a quarter of a mile north of Cathedral Rapids, 8 triles upstream 

from Robertson River, and 13 miles west of Tanacross.

Drainage area. 8,550 sq mi, approximately.

Records available. Discharge: June 1953 to September 1957.

Chemical analyses; December 1953 to October 1954, May to September 19f7. 

Water temperatures: June to September 1954, May to September 1957. 

Sediment records: October 1953 to September 1954, October 1954 to September 1956 

(periodic); May to September 1957.

Qage. Water-stage recorder. Datum of gage is 1,489.58 ft above mean sea level.

Extremes.--Maximum discharge during year, 31,100 cfs July 26 (gage height, 10.23 ft); minimum not determined.

1953-57: Maximum discharge, 35,500 cfs Aug. 9, 1953 (gage height, 11.04 ft); minimum not determined.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor. Some diurnal fluctuation caused by glacier melt at the source. Records of specific conductance of daily samples available in district office of Quality 

of Water Branch, Palmer, Alaska.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1 

Z

5

4

5

6

7

8

9

10

11

12

13

14

15

16 

17

18

19

20

21

22 

23

24

25

26 

27

28

29

30

31

Total

Mean

Ac- ft

Oct.

7.000 

6,5OO

6,200

6,000

*5,800

5,600

b5,300

b5,100

b4,900

b4,700

b4,500

b4,380

b4,250

b4,100

b3,960

3,800 

3,700

3,600

3,500

3,400

3,300

3,300 

3,200

3,200

3,100

3,100 

3,000

3,000

2.900

2,900

2,900

130,190

4,200

258,200

,Nov.

> 2,700

> 2,800

82,500

2,750

163,600

Dec.

(*)

. 2,500

. 2,200

72,700

2,345

144,200

Jan.

2,200

68,200

2,200

135,300

Feb.

2,200

-

61,600

2,200

122,200

Mar.

. 2,200

(*)

68,200

2,200

135,300

Apr.

> 2,300

, 2,500

72,000

2,400

142,800

May

, 5,800

,15,000

17,000

18,600 

19,900

21.000

19,400

18,200 

18,100

17,600

16,500

15,400

14,500

404,200

13,040

801,700

June

15.800 

13,800

14,000

14,200

16,000

16,500

18,700

20,500

21,500

22,900

22,900

23,400

23,800

25,600

25,400

23,100 

*22,600

22,200

22,600

23,400

24,200

27.800 

26,800

25,200

24,900

23,600 

23,900

20,900

20,000

19,900

644,100

21,470

*1,278

July

21.600 

23,100

24,000

24,800

23,800

22,800

24,900

28,500

30,300

29,300

27,500

24,900

25,800

27,200

28,300

29,500 

29,300

28,100

27,700

28,500

28,700

28,400 

26,200

25,600

29,000

50.800 

28,400

25,800

24,100

*23,200

22, 800

822,900

26,550

*1,632

Aug.

22,400 

22,300

22,800

25,400

25,400

24,100

24,200

23,500

21,800

21,700

22,600

24,200

*26,400

27,400

28,000

28.200 

26,600

25,200

26,100

26,100

25,100

21,100 

20,000

19.100

19,900

20,900 

22,200

23,300

23,600

23,200 

22 300

728,900

25,510

*1,446

Sept.

*20 . 600 

19,600

19,000

18,000

16,500

15,700

16,200

17,000

16,800

15,500

14,200

13,700

13,500

13,000

13,500

13,600 

13,300

12 , 700

11,700

11,000

10,700

10,500 

10,500

10,000

9,550

9,190 

9,040

8.980

8,980

8,980

400,920

15,560

795,200

Calendar year 1956: Max 26,800 Min - Mean 7 373 Ac-ft 5,353,000

Water year 1956-57: Max 30,800 Min - Mean 9,744 Ac-ft 7,054,000

Discharge measurement made on this day.

* Expressed in thousands.

b Stage-discharge relation affected by Ice.

Note. No gage-height record Oct. 1-6, Oct. 16 to May 21 (stage-discharge relation affected by ice 

during most of period); discharge estimated on basis of 3 discharge measurements, weether records, 

and records for station at Big Delta.
TANANA RIVER NEAR TANACROSS Continued 

Chemical analyses, in parts per million, water year October 1956 

Date of collection

Mar. 29, 1957 ......

June 11-20 .........

July 1-10...........

July 11-20. .........

Sept. 21-30... ......

Weighted average a

Mean 

discharge 

(cfs)

5,800 

2,500 

2,200 

17, 900

17, 200 

23, 500 

23, 700 

25, 300

27, 700 

26, 600 

22, 900 

26, 100

21, 700 

17, 500 

13,000 

9,620

9,744

Silica 

(SiOz)

16 

17 

16 

9. 5

10 

11 

12 

11

11 

10 

9.8 

9.7

10 

10 

12 

13

12

Iron 

(Fe)

0. 00 

.00 

.00 

.00

.00 

.00 

.00 

.00

.00 

.00 

.00 

.00

.06 

.05 

.00 

.00

--

Calcium 

(Ca)

38 

35 

46 

29

29 

30 

29 

29

30 

30 

29 

25

29 

27 

32 

38

32

Magnesium 

(Mg)

10 

8.5 

10 

4.3

5.2 

4.1 

4.1 

6.2

5.8 

6.3 

4.7 

4.3

4.7 

7.4 

6.5 

7.9

6.2

Sodium 

(Na)

7.8 

6.0 

5.4 

4.0

4.6 

5.5 

5.6 

5.7

5.8 

5.9 

5.6 

5.7

5.7 

6.0 

7.3 

6.8

5.8

Potassium 

(K)

1.3 

1.8 

1.6 

1.2

1.3 

1.3 

1.3 

1.2

1.4 

1.2 

.6 

.6

.8 

.6 

1.8 

1.2

1.2

Bicarbonate 

(HCO,)

151 

133 

170 

98

98 

102 

102 

104

110 

110 

98 

89

97 

102 

118 

138

115

Sulfate 

(S04)

29 

25 

22 

16

18 

18 

17 

18

17 

19 

19 

15

20 

22 

20 

25

20

Chloride 

(Cl)

3.3 

2.8 

1.5 

2.0

3.2 

3.2 

2. 5 

3.5

3.0 

3.0 

2.5 

2.5

4.5 

4.0 

3.5 

3.5

2.9

a Represents 100 percent of runoff for water year. Concentrations were estimated for the period Oct. 1, 1956 to May 21, 19

Temperature (°F) of water, May to September 19

Day

1

2

3

4

5

6

7

8

9

10

May

42

38

June

57

56

58

61

62

64

64

64

64

60

July

58

56

56

58

58

56

55

50

50

56

Aug.

62

60

60

60

58

54

54

56

60

60

Sept.

50

48

50

48

50

50

49

50

49

_

Day

11

12

13

14

15

16

17

18

19

20

May

37

35

36

38

41

46

47

49

49

49

June

60

60

55

56

56

57

..

_.

..

July

58

58

57

58

60

60

58

60

_-

56

Aug.

58

58

58

58

56

56

54

52

50

50

Sep

.

50

49

49

44

42

42

44

3

3

Average .........................................................................................
ALASKA WEST OP LONGITUDE 141 e 75

TANANA RIVER NEAR TANACROSS Continued 

Suspended sediment, May to September 1957

Day

1. ..... 

2. ..... 

3. ..... 

4. ..... 

5. .....

6. ..... 

7. ..... 

8. ..... 

9. ..... 

10. .....

11......

12. .....

15......

16......

20. .....

24. ..... 

25. .....

26......

28. .....

29......

31......

Total.

L..... 

2...... 

3...... 

4...... 

5......

8...... 

9. ..... 

10. .....

11......

13...... 

14. ..... 

15. .....

16. .....

19. ..... 

20. .....

23. ..... 

24. ..... 

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

May

Mean 

discharge 

(cfs)

5,800 

15,000

17,000 

18,600 

19,900 

21,000 

19,400

18,200 

18, 100 

17,600 

16,500 

15,400 

14, 500

352, 000

Suspended sediment

Mean 

concentration 

(ppm)

1,390

1,880 

2,130 

1,880 

1,580 

1,970

1,320 

1,080 

1,000 

910 

1,170

1,490 

1,530 

1,570 

1,510 

1,210

974 

950 

855 

749 

706 

710

--

Tons 

per 

day

21, 800

76, 100 

86, 300 

76, 100 

64, 000 

79, 800

53, 500 

43,700 

40, 500 

36, 800 

47, 400

60, 300 

62, 000 

84,400 

85, 600 

63, 400

47, 900 

46, 400 

40, 600 

33, 400 

29,400 

27, 800

1,207,200

August

22, 400 

22,300 

22,800 

23,400 

23,400

24,100 

24,200 

23,300 

21,800 

21,700

22,600 

24, 200 

26,400 

27,400 

28, 000

28,200 

26,600 

25,200 

26, 100 

26, 100

23, 100 

21,100 

20, 000 

19, 100 

19,900

20,900 

22,200 

23,300 

23,600 

23,200 

22,300

728, 900

1,070 

1,160 

1,280 

1,430 

1,480

1,530 

1,560 

1,390 

1, 190 

1, 140

1,380 

1,940 

2,740 

2,420 

2,170

2,020 

1,840 

1,850 

1,860 

1,750

1,300 

1,270 

1,220 

1, 170 

1,210

1,280 

1,470 

1,460 

1,350 

1,330 

1.340

"

64, 700 

69, 800 

78, 800 

90, 300 

93, 500

99, 600 

102, 000 

87, 400 

70, 000 

66,800

84, 200 

127,000 

195, 000 

179, 000 

164, 000

154, 000 

132, 000 

126, 000 

131, 000 

123,000

81, 100 

72, 400 

65, 900 

60, 300 

65, 000

72, 200 

88, 100 

91, 800 

86, 000 

83, 300 

80. 700

,3,084, 900

June

discharge 

(cfs)

13,800 

13, 800 

14, 000 

14, 200 

16,000

16, 500 

18, 700 

20, 500 

21,500 

22, 900

22, 900 

23,400 

23,800 

25,600 

25,400

23, 100 

22, 600 

22,200 

22,600 

23,400

24, 20Q 

27, 800 

26,800 

25,200 

24,900

23,600 

23,900 

20,900 

20, 000 

19,900

644, 100

Suspended sediment

Mean 

concentration 

(ppm)

715 

677 

826 

950 

1,150

1,340 

1,610 

1,950 

2,090 

2,190

2,160 

2,080 

2,000 

2,510 

2,180

1,710 

1,630 

1,760 

1,520 

1,580

1,780 

2,450 

2,010 

1,660 

1,490

1,370 

1,130 

1,220 

1,170 

1,170

-

Tons 

per 

day

26, 600 

25, 200 

31,200 

36, 400 

49, 700

59, 700 

81,300 

108, 000 

121,000 

135,000

134, 000 

131,000 

128, 000 

173, 000 

150, 000

107, 000 

99, 500 

105, 000 

92, 800 

99, 800

116,000 

184, 000 

145, 000 

113,000 

100, 000

87,300 

72, 900 

68, 800 

63,200 

62,900

2,907,300

September

20, 600 

19,600 

19,000 

18, 000 

16,300

15,700 

16,200 

17,000 

16,800 

15,500

14,200 

13,700 

13,300 

13,000 

13, 500

13,600 

13,300 

12, 700 

11,700 

11,000

10, 700 

10,500 

10,300 

10, 000 

9,550

9,190 

9,040 

8,980 

8,980 

8,980

400, 920

1,360 

1,260 

1,290 

1,240 

1,250

1,030 

931 

836 

831 

874

917 

936 

830 

787 

787

883 

850 

859 

797 

523

533 

523 

475 

542 

485

445 

450 

450 

450 

450

-

75,600 

66, 700 

66, 200 

60,300 

55, 000

43, 700 

40, 700 

38, 400 

37,700 

36, 600

35,200 

34,600 

29, 800 

27,600 

28, 700

32,400 

30, 500 

29,400 

25, 200 

15, 500

15,400 

14, 800 

13,200 

14, 600 

12, 500

10, 000 

> a 10, 500

932,300

July

Mean 

discharge 

(cfs)

21,600 

23, 100 

24, 000 

24, 800 

23, 800

22, 800 

24, 900 

28, 500 

30, 300 

29, 300

27, 500 

24, 900 

25,800 

27, 200 

28, 300

29, 500 

29,300 

28, 100 

27, 700 

28,500

28, 700 

28, 400 

26, 200 

25, 600 

29, 000

30, 800 

28, 400 

25, 800 

24, 100 

23,200 

22, 800

822, 900

Suspended sediment

Mean 

concentration 

(ppm>

1,350 

1,710 

1,850 

1,930 

1,700

1,520 

1,860 

2, 58C 

2,870 

2,230

1.68C 

1.38C 

1.48C 

1.61C 

1.91C

1.92C 

1,710 

1.69C 

1,690 

1,840

1,84C 

1.76C 

1,76C 

1.82C 

2, 10C

2,070 

1,550 

1,290 

1,180 

1,060 

1,040

-

Tons 

per

day

78, 700 

107, 000 

120, 000 

129, 000 

109, 000

93,600 

125, 000 

199, 000 

235,000 

176, 000

125,000 

92, 800 

103,000 

118,000 

146, 000

153,000 

135, 000 

128, 000 

126, 000 

142, 000

142, 000 

135, 000 

124, 000 

126, 000 

164, 000

172, 000 

119,000 

89, 900 

76, 800 

66, 400 

64, 000

3,920,200

Total discharge for period May 10 to Sept. 30 (cfs-days) 

Percent of annual discharge during period .... 

Total load for period May 10 to Sept. 30 (tons).. 

a Computed from estimated concentration graph.

2,948,820

83.0

12,051,900

527570 O -59 -6
TANANA RIVER NEAR TANACROSS Continu

Particle-size analyses of suspended sediment, June to Se

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipet

W, in distilled water; C, chemically dispersed; M, mechan

Date 

of 

Collection

June 18, 1957....

Aug. 29 .........

Sept. 18 ........

Time

12:00m. 

12:00 m. 

1:30 p.m.

Discharge 

(cfs)

a22,200 

21,800 

23,400 

a 12, 700

Water 

temperature 

<°F)

62 

50 

44

Suspende

Concentration 

of sample 

(ppm)

1,240 

1,050 

1,270 

882

Concentration 

of suspension 

analyzed 

(ppm)

1,880 

1,460 

987 

614

Percen

0.002

30 

26 

27 

27

0.004

36 

33 

35 

35

0.008

51 

40 

46 

42

0.016

47 

48 

56 

50

a Daily mean discharge.
ALASKA WEST OF LONGITUDE 141° 77 

Tanana River at Big Delta

Location. Lat 64°09'20", long 145°51'00", on line between sees. 6 and 7, T. PS., R. 10 E., 

near left bank on downstream side of bridge on Richardson Highway, 0.5 mile northwest 

of Big Delta, half a mile upstream from Delta River, 8 miles downstream from Goodpaster 

River, and 75 miles southeast of Fairbanks.

Drainage area. 13,500 sq mi, approximately.

Records available. Discharge: September 1948 to September 1952, October 1953 to September 

1957 (discontinued).

Chemical analyses: May 1949 to September 1952. 

Water temperatures: May 1949 to September 1951.

Gage. Wire-weight gage read once daily. Datum of gage is 962.95 ft above mean sea level. 

Average discharge.--8 years, 14,950 cfs (10,820,000 acre-ft per year).

Extremes. Maximum discharge observed during year, 44,000 cfs July 16 (gage height, 21.99 

ft); minimum daily, 3,720 cfs Apr. 7.

1948-52, 1953-57: Maximum discharge observed, 62,800 cfs July 29, 1949 (gage height, 

23.57 ft); minimum daily, that of Apr. 7, 1957.

Remarks.--Records poor. Diurnal fluctuation caused by glacier melt at the source.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

lo

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

13,400 *i3,9oo

14.000

13,300

12,100

11,600

11,100

10,700

10,400

10,000

9,600

9,290

9,010

8,800

8,460

8,350

8,200

8,020

7,890

7,730

7,600

7,450

7,300

7,150

7,000

6,900

6,800

6,700

6,600

6,520 

6.450

282,320

9,107

560,000

Nov.

6,380 

6,250

6,160

6,060

5,990

5,920

5,870

5,820

5,770

5,700

5,650

5,610

5,580

5,540

5,490

5,450

5,400

5,380

5,350

5,310

5.280

5,280

5,400

5,800

6,400

6,700

*6,850

7,100

7,200

7.500

177,990

5,933

353,000

Dec .

7.200 

6,800

6,300

5,800

5,400

5,170

4,940

4,740

4,630

4,520

4,480

4,430

4,390

4,370

4,370

4,350

4,350

4,350

4,350

4,350

4,320

4,320

4,320

4,320

4,320

4.500

4,300

4,300

4,300

4,300

4,300

146,690

4,732

291,000

Jan.

4.280 

4,280

4,280

4,280

4,280

4,260

4,260

4,260

4,260

4,240

4,240

4,240

4,220

4,220

4,220

4,200

4,200

4,200

4,200

4,200

4,200

4.180

4,180

4,180

4,180

4,180

4,180

4,180

4,200

4,180

4,180

130,840

4,221

259,500

Feb.

4.160 

4,160

4,160

4,160

4,160

4,160

4,160

4,140

4,140

4,140

4,140

4,140

4,140

4,120

4,120

4,120

4,120

4,120

4,120

4,120

4.100

4,100

4,100

4,100

4,100

4,100

4,100

4,100

-

115,600

4,129

229,300

Mar.

4,080 

4,080

4,080

4,080

4,080

4,080

4,080

4,060

4,060

4,060

4,060

4,060

4,060

4,060

4,060

4,040

4,040

4,040

4,040

4,040

4,040

4,040

4,040

4,020

4,020

*4,020

4.000

4,020

4,040

4 140 

4^060

125,680

4,054

249,300

Apr.

4,100 

4,080

4,080

4,160

4,140

3,840

5.720

3,840

4,060

4,160

4,200

4,220

4,220

4,260

4,240

4,260

4,280

4,300

,300

,320

,350

,460

,460

4,430

4,610

4,740

4,740

4,940

5,310

5.650

130,450

4,348

258,700

May

5 . 990 

6,500

7,100

7,990

9,010

10,500

12,400

14,400

16,600

19,400

23,000

26,100

28,000

29,500

30,000

30,000

29,600

29,700

30 , 600

34,400

37,500

58,800

38,800

37,700

36,100

33,700

34,400

35,400

34,400

33,600

31,400

792,590

25,570

tl,572

June

55.500 

33,500

34,000

34,000

38,500

38,000

38,000

42.800

42,400

41,700

42,000

40,600

39,100

38,800

39,500

42,200

*40,700

40,000

40,200

38 , 500

38,200

36 , 900

35,600

34,500

33,600

33,400

34,000

34,800

34,500

35,300

$1,128.4

37,610

*2,238

July

36,000 

35,300

34,800

35,200

35,400

35,700

36,400

36,900

36,500

36,300

36,300

37,300

39,400

39,700

41,800

44.000

41,500

41,100

40,000

39,000

38,800

38,800

39,400

41,100

*40 , 800

41,500

35,700

34,600

34,900

34,600

54.400

tl.173.2

37,850

$2,327

Aug.

34,600 

34,900

36,200

36,200

36,400

36,100

35,900

35,900

37,000

39,800

40,300

40,400

40,400

40,300

40,000

39,800

38,300

39,600

38,800

36,700

36,100

35,100

34,500

55 . 600

33,600

34,700

36,200 ^38,800

45 . 500

37^400

"1.160.7

37,440

*2,302

Sept.

35.700 

34,500

31,800

30,800

30,000

29,100

29,100

28,600

28,300

28,200

28,000

28,000

27,000

27,300

27,600

26,400

23,500

23,300

22 , 700

20,800

18,900

18,600

17,800

17,200

17,000

16,800

16,500

16,100

15,500

15.200

730,300

24,340

tl,449

Calendar year 1956: Max 48,300 Min 5,200 Mean 16,060 Ac-ft 11,660,000

Water year 1956-57: Max 44,000 Min 3,720 Mean 16,700 Ac-ft 12,090,000

* Discharge measurement made on this day.

t Expressed in thouaanda.

Note. Stage-discharge relation affected by ice Oct. 9 to about May 13.
78 ALASKA WEST OP LONGITUDE 141 c

Salcha River near Salchaket

Location. Lat 64°28'15" > long 146°55'45", in sec. 22, T. 5 S., R. 4 E. , n<3ar right bank 

on downstream side of bridge on Richardson Highway, half a mile east of Aurora Lodge, 

2 miles upstream from mouth, and 6 miles southeast of Salchaket.

Drainage area. 2,170 sq mi, approximately.

Records available. July 1909 to August 1910 (no winter records), published as "at mouth," 

October 1948 to September 1957.

Gage. Water-stage recorder. Datum of gage is 631.85 ft above mean sea level. July 1909 

to August 1910, staff gage at site l| miles downstream at different datum. Sept. 7, 

1948, to Apr. 24, 1953, wire-weight gage at present site and datum.

Average discharge.--9 years (1948-57), 1,741 cfs (1,260,000 acre-ft per year).

Extremes. Maximum discharge during year, 28,200 cfs May 21 (gage height, 14.9 ft, from 

graph based on gage readings); minimum not determined.

1909-10, 1948-57: Maximum discharge, 36,500 cfs June 23, 1956 (gage height, 16.13 

ft), from rating curve extended above 16,000 cfs by logarithmic plotting; minimum not 

determined.

Remarks. Records good except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, in cubic feet per , water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21 

22

23

24

25

26

27

28

29

50

31

Total

Mean

Ac-ft

Oct.

1.800 

*1,670

1,600

1,500

1,430

 1,300

750

52,730

1,056

64,920

Nov.

370

, 540

10,650

555

21,120

Dec.

(*)

560

220

8,920

288

17,690

Jan.

220

250

6,980

225

15,840

Feb.

250

-

6,440

250

12,770

Mar.

270

(*)

8,570

270

16,600

Apr.

. 290

> 360

9,750

325

19,340

May

493

542

600

705

898

1,500

2,500

6,000

9,450

13,000

11,500

7,800

5,090

5,540

2,990

4,780

8,920

11,600

14,400

19,300

26.500 

21,000

14,000

8,000

5,000

5,500

2,800

2,500

2,000

1,800

1,700

214,008

6,905

424,500

June

1,700 

1,700

1,800

1,900

2,000

2,100

2,300

2,400

2,500

2,700

2,600

2,400

2,200

2,000

2,000

2,140

2,400

2,800

*3,310

5.980

2,780 

2,160

1,860

1,680

1,500

1,560

1,260

1,190

1,170

 = * 1 130

63,020

2,101

125,000

July

,140 

,210

,210

,230

,220

,470

,680

,550

,640

.250

,060

,690

,450

,500

,190

,120

,080

,040

.020

,080

,190 

,150

,100

,0*0

,030

* ,090

,300

,650

1,580

1,410

*

41,460

1,357

82,250

Aug.

1.190 

1,130

1,090

1,050

1,020

1,020

1,020

1,030

997

970

943

916

907

889

864

848

852

824

816

816

864 

880

907

898

872

864

848

*840

852

843

864

28,689

925

56,900

Sept.

889 

916

925

907

889

864

848

864

954

954

925

907

889

898

916

961

979

988

997

970

945 

907

872

856

856

864

872

848

816

800

27,034

901

53,620

Calendar year 1956: Max 25,600 Min - Mean 2,128 Ac-ft 1,545,000

Water year 1956-57: Max 26,300 Min - Mean 1,255 Ac-ft 908,500

Peak discharge (base, 10,000 cfs). May 10 (6 p.m.) 14,100 cfs (11.75 ft); May 21 (time unknown) 

28,200 cfs (14.9 ft).

* Discharge measurement made on this day.

Note. No gage-height record Oct. 1, 5, 4, Oct. 6 to Apr. 9 (stage-discharge relation affected by 

ice during most of period), May 22 to June 15, June 17, 18; discharge estimated on basis of 4 discharge measurements, weather records, and records for Chena River at Fairbanks. Stage-discharge 

relation affected by ice Apr. 10 to May 9.
ALASKA WEST OP LONGITUDE 141 c 79

Chena River at Fairbanks

Location. Lat 64°50'40", long 147°43<10", in NE£ sec. 10, T. 1 S., R. 1 W near right 

bank on upstream side of bridge on Cushman Street In Fairbanks, 0.4 mile downstream 

from Noyes Slough, 10 miles upstream from mouth, and 12 miles downstream f-om Chena 

Slough.

Drainage area. 1.980 sq mi, approximately (includes that of Noyes Slough).

Rec ?!;do available--Discharge: July 1947 to September 1948 (no winter records) October 

1948 to September 1957.

Chemical analyses: May to September 1953, April to September 1955.

Water temperatures: May to September 1953.

Sediment records: January to August 1954, April to September 1955 (periodic).

Gage.--Wire-weight gage read twice daily. Datum of gage is 423.68 ft above nnan sea level 

Prior to May 3, 1948, staff gage at same site and datum.

Average discharge.--9 years, 1,452 cfs (1,051,000 acre-ft per year).

Extremes. Maximum discharge during year, 13,600 cfs May 23 (gage height, 9.12 ft); minimum 

not determined.

1947-57: Maximum discharge, 24,200 cfs May 21, 1948 (gage height, 14.17 ft, from 

graph based on gage readings); minimum not determined.

Flood in August 1930 reached a stage of about 14.2 ft, from information bv local 

residents.

Flood of May 11-14, 1937, reached a stage of 14.9 ft, ice Jam, from floodmarks.

Remarks. Records good except those for periods of ice effect, no gage-height record, or 

shifting-control, which are poor. Records include flow in Noyes Slough, which diverts 

small quantity upstream from gage.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1 

2

3

4

5

6

7

8

9

10

11

I?. n

14

15

16

17

18

19

20

21

22

2? 

24

2.1

26

27

28

29 

30

31

Total

Mean

Ac- ft

Oct.

 2,110 m2,020

1,950

1,930

1,920

1,800

1,700

1,640

1,570

1,530

1,470

1,420

1,360

1,310

1,280

1,200

1,140

1,080

1,020

972

930 

888

854

806

776

746

710 

686

652

41,870

1,351

83,050

Nov.

470

> 380

12,750

425

25,290

Dee.

(*)

> 340

260

9,260

299

18,370

Jan.

, 260

, 280

8,380

270

16,620

Feb.

. 280

300

-

8,100

289

16,070

Mar.

 370

(*)

380

11,630

375

23,070

Apr.

380 

380

380

380

380

380

380

380

385

385

390

390

390

390

395

395

395

400

405

410

420

430

440 

460

500

542

620

722

842 

1.000

13,746

458

27,260

May

1.070 

1,090

1,100

1,110

1,140

1,300

1,700

2,660

4,640

8,060

10,000

9,920

6,980

5,240

3,870

3,550

4,710

8,010

10,300

11,600

12,300

12,700

15.400 

11,500

7,560

4,500

3,000

2,200

1,800

1,600

1,400

170,010

5,484

337,200

June

1,400 

1,300

1,400

1,400

1,500

1,500

1,600

1,600

1.700

1,700

1,690

1,670

1,590

1,530

1,430

1,400

1,400

1,370

 1,370

1,430

1,510

1,430

1,350 

1,270

1,220

1,150

1,130

1,100

1,080 

1.060

42,280

1,409

83,860

July

1,080 

1,130

1,140

1,130

1,110

1,100

1,140

1,150

1,150

1,140

1,160

1^200

1,150

1,100

1,060

1,010

972

916

937

916

895

888

867 

860

860

*867

874

888

888 

888

848

31,314

1,010

62,110

Aug.

812" 830 

800

776

770

764

746

734

722

716

704

692

674

669

669

658

647

647

636

630

630

636

630 

630

614

603

614

625

*614 

625

630

21,147

682

41,940

Sept.

630 

630

630

625

620

608

592

576

581

586

581

586

598

598

614

608

625

636

642

652

647

642

636 

630

636

630

636

620

581 

581

18,457

615

36,610

Calendar year 1956: Max 11,700 Mln - Mean 1,719 Ac-ft 1,248,000

Water year 1956-57: Max 13,400 Min - Mean 1,066 Ac-ft 771,400

Peak discharge (base, 5,000 cfs). May 11 (11:30 p.m.) 10,500 cfs (8.77 ft); May 23 (11:40 a.m.) 

13,600 cfs (9.12 ft).

* Discharge measurement made on this day.

Note. Ho gage-height record Nov. 1 to Apr. 8 (stage-discharge relation affected by ice during 

entire period) May 26 to June 10; discharge estimated on basis of 2 discharge measurements, weather 

records, and records for Salcha River near Salchaket. Stage-discharge relation affected by ice 

Oct. 9-31, Apr. 9-30. Shifting-control method used Oct. 1-13, May 1-13.
80 ALASKA WEST OF LONGITUDE 141°

Nenana River near Healy

Location. Lat 63°50'40", long 148°56'35", in Wj sec. 28, T. 12 S., R. 7 W. , on right bank 

half a mile upstream from Healy Creek, 1.1 miles southeast of Healy, and 1.2 miles upstream from railroad bridge.

Drainage area. 1,910 sq mi, approximately.

Records available. Discharge: October 1950 to September 1957.

Chemical analyses: October 1953 to September 1955, May 1956 to September 1957. 

Water temperatures: May to September 1957. 

Sediment records: 1953-57 (summer months only).

Gage. Water-stage recorder. Altitude of gage is 1,280 ft (from topographic map). 

Average discharge. 7 years, 3,608 cfs (2,612,000 acre-ft per year).

Extremes . Maximum discharge during year, 21,000 cfs June 8 (gage height, 9.70 ft); minimum not determined.

1950-57: Maximum discharge, 28,500 cfs July 29, 1952; maximum gage l^ight, 10.86 ft 

Aug. 25, 1955; minimum discharge not determined.

Remarks . --Records good except those for periods of ice effect or no gage-height record, 

which are poor. Some diurnal fluctuation caused by glacier melt at the source. Records of specific conductance of daily samples available in district office, Quality of 

Water Branch, Palmer, Alaska.

Discharge, in cubic feet pe = ond, water year October 1956 to Septembe- 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23 

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

3,850

3,660

3,510

3,180

3,210

3,050

b2,900

b2,730

b2,630

b2, 650

b2,590

b2,500

b2,430

b2,370

b2,300

b2,200

b2,090

bl,970

bl,860

bl,760

bl,670

bl,610

1,600 

1,500

1,400

bl,390

bl,340

bl,260

bl,210

1,100

1,100

68,600

2,213

136,100

Nov.

, 890

(*)

» 860

26,250

875

52,070

Dec.

700

730

22,180

715

43,990

Jan.

710

(*)

, 670

21,370

689

42,390

Feb.

^ 640

(*)

570

-

17,010

608

33,740

Mar.

> 560

470

15,920

514

31,580

Apr.

420

(*)

600

15,300

510

30,350

May

870

920

980

1,000

1,100

1,300

1,500

1,800

2,200

2,900

3,500

3,700

3,600

3,500

3,240

3,810

4,720

5,790

7,070

9,530

10,300

10,600

10,700 

9,620

8,900

9,500

9,320

9,650

*9,290 

9,440

8,620

168,970

5,451

335,100

June

7,950

8,540

10,900

12,800

15,300

17,800

19,000

19,100

17,700

17,300

16,800

16,000

14,900

14,200

13,600

12,700

12,200

12,300

13,000

12,300

10,800

10, 200

8,900 

7,780

7. 570

7,670

8,930

8,370

8,370 

8,200

370,980

12,370

735,800

July

8,960

8,930

8,620

8,340

7,700

7,780

7,590

7,180

7,420

7,180

*7,560

7,920

8,540

8,930

9,050

8,420

7,750

8,450

8,730

7,980

7,400

6,700

6,480 

6,590

7,210

7.67C

6,72C

5,760

5,540 

5,66C

5 99C

234, 75C

7,573

465, 60C

Aug.

6,480

6,670

6,700

6,830

6,670

6,220

6,090

6,120

6,530

7,180

7,290

7,050

6,200

*6,070

6,610

7,150

7,050

6,510

5,740

4,810

5,490

6,670

6,270 

5,660

5,470

5,540

5,790

7,720

7,980 

7,070

6,330

199,960

6,450

396,600

Sept.

6,120

6,530

5,960

5,760

5,420

5,370

6,090

5,890

5,890

7,070

6,480

6,530

7,980

9,170

9,550

7,670

6,480

6,200

8,140

7,750

6,480

5,620

4,940 

4,600

5,010

5,230

5,350

4,850

4,160 

5.450

185,540

6,185

368,000

Calendar year 1956: Max 17,200 Min - Mean 3,929 Ac-ft 2,852,000

Water year 1956-57: Max 19,100 Min - Mean 3,690 Ac-ft 2,671,000

Peak discharge (base, 12.000 efa). June 8 (6 a.m.) 21,000 efs (9.70 ft).

Discharge measurement made on this day.
NENANA RIVER NEAR HEALY Continued

Chemical analyses, in parts per million, water year October 1956 

Date of collection

Apr. 17..............

Sent. 21-26 ..........

Mean 

discharge 

(cfs)

3,140 

710 

640 

600 

10, 200

6,550 

6,450 

6,350 

6,010 

7,580 

5.310

Silica 

(SiO,)

7.1 

8.7 

8.2 

7.7 

5.6

6.3 

5.5 

5.4 

5.7 

6.2 

6.8

Iron 

(Fe)

0.00 

.00 

.00 

.00 

.00

.00 

.00 

.00 

.00 

.00 

.00

Calcium 

(Ca)

31 

43 

38 

39 

23

27 

29 

29 

29 

29 

29

Magnesium 

(Mg)

7.6 

8.9 

8.1 

9.7 

6.0

4.3 

5.9 5.7" 

6.6 

6.9 

7.3

Sodium 

(Na)

3. 8 

6.1 

5.7 

5.8 

2.2

2.4 

2.5 

2.5 

2.8 

2.7 

3.1

Potassium 

(K)

1.3 

2.4 

2.1 

2.7 

2.3

2.4 

2.4 

2.2 

1.8 

1.6 

1.2

Bicarbonate 

(HCOS)

92 

130 

114 

123 

62

67 

69 

65 

67 

70 

76

Sulfate 

(SOJ

43 

43 

43 

55 

38

34 

44 

45 

47 

44 

42

Chloride 

(Cl)

2.0 

4.2 

3.2 

2.5 

1.0

1.0 

1.5 

1.5 

1.5 

1.0 

2.0
82 ALASKA WEST OF LONGITUDE 141 c

NENANA RIVER NEAR HEALY Continued 

Temperature (*F) of water, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Average

Oct.

33

36

35

34

34

34

34

33

33

33

--

Nov. Dec. Jan. Feb.

32

--

Mar. Apr.

32

--

May

45

45

45

45

45

45

45

45

46

46

46

_.

46

June

47

47

48

48

48

48

49

50

50

50

51

52

52

52

53

52

52

50

50

50

50 .

51

52

50

50

50

50

51

50

50

--

50

July

49

49

49

49

49

50

_.

51

50

50

51

50

51

51

51

51

51

50

50

49

48

..

49

50

50

49

50

49

52

50

51

50

Aug.

52

51

51

48

50

50

50

48

56

52

54

50

48

--

--

54

53

50

48

45

47

48

50

46

48

48

48

47

44

45

45

49

Sept.

44

45

44

44

46

44

45

46

48

46

47

46

45

44

45

44

44

43

44

43

42

40

42

41

39

38

..

_.

._

--

44
ALASKA WEST OP LONGITUDE 141' 83

NENANA RIVER NEAR HEALY Continued 

Suspended sediment, May to September 1957

Day

1......

2. .....

3. .....

4. ..... 

5. .....

6. ..... 

7... .

8. .....

9. .....

10. .....

11......

12. .....

14. .....

15. ..... 

16. .....

17. .....

18...... 

19. .....

20. .....

21......

22......

23, .....

24. ..... 

25. .....

26......

27. .....

28. ..... 

29......

30. ..... 

31......

Total.

L..... 

2...... 

3...... 

4...... 

5......

8...... 

9. ..... 

10. .....

11. ..... 

12. ..... 

13. ..... 

14. ..... 

15......

19. ..... 

20......

22. ..... 

23. .....

25......

26. ..... 

27. ..... 

28. ..... 

29. ..... 

30. ..... 

31...... 

Total.

May

Mean 

discharge 

(cfs)

9,530

10,300 

10, 600 

10, 700 

9,620 

8,900

9,500 

9,320 

9,650 

9,290 

9,440 

8,620

115,470

Suspended sediment

Mean 

concentration 

(ppm)

384

250 

204 

258 

249 

295

261 

227 

227 

212 

936 

2,350

--

Tons 

per 

day

9,880

6,950 

5,840 

7,450 

6,470 

7,090

6,690 

5,710 

5,910 

5,320 

23, 900 

54,700

145, 910

August

6,480 

6,670 

6,700 

6,830 

6,670

6,220 

6,090 

6,120 

6,530 

7,180

7,290 

7,050 

6,200 

6,070 

6,610

7,150 

7,050 

6,510 

5,740 

4,810

5,490 

6,670 

6,270 

5,660 

5,470

5,540 

5,790 

7,720 

7,980 

7,070 

6,330

199,960

750 

1,240 

1,410 

1,610 

1,520

1,490 

1,250 

1,100 

1,480 

1,440

953 

740 

833 

960 

1,110

1,260 

1,290 

1,160 

843 

901

680 

697 

666 

914 

1,220

725 

863 

1,610 

1,910 

2,120 

1,020

13, 100 

22,300 

25, 500 

29, 700 

27, 400

25,000 

20, 600 

18, 200 

26, 100 

27, 900

18, 800 

14, 100 

13, 900 

15, 700 

19, 800

24,300 

24,600 

20,400 

13,100 

11,700

10,100 

12,600 

11,300 

14, 000 

18,000

10,800 

13,500 

33,600 

41,200 

40, 500 

17, 400

635,200

Total discharge for period May 20 to Sept 

Percent of annual discharge during perioi 

Total load for period May 20 to Sept. 30 (

June

Mean 

discharge 

(cfs)

7,950 

8,540 

10, 900 

12, 800 

15,300

17, 800 

19, 000 

19, 100 

17, 700 

17,300

16, 800 

16, 000 

14, 900 

14,200 

13,600

12,700 

12,200 

12,300 

13, 000 

12,300

10, 800 

10, 200 

8,900 

7,780 

7,370

7,670 

8,930 

8,370 

8,370 

8,200

370, 980

Suspended sediment

Mean 

concentration 

(ppm)

2,130 

2,390 

2,120 

2,140 

2,300

2,250 

1,640 

1,460 

2,060 

2,100

1,890 

1,320 

1,050 

1,030 

1,160

2,690 

2,970 

3,010 

2,480 

761

469 

577 

4,250 

4,860 

4,380

1,630 

981 

942 

1,050 

1,110

--

Tons 

per 

day

45, 700 

55, 100 

62,400 

74,000 

95, 000

108, 000 

84, 100 

75, 300 

98, 400 

98, 100

85, 700 

57, 000 

42,200 

39, 500 

42,600

92,200 

97, 800 

100, 000 

87, 000 

25,300

13, 700 

15,900 

102, 000 

102,000 

87,200

33, 800 

23, 600 

21,300 

23,700 

24,600

1,913,200

September

6,120 

6,530 

5,960 

5,760 

5,420

5,370 

6,090 

5,890 

5,890 

7,070

6,480 

6,530 

7,980 

9,170 

9,350

7,670 

6,480 

6,200 

8,140 

7,750

6,480 

5,620 

4,940 

4,600 

5,010

5,230 

5,350 

4,850 

4,160 

3,450

185, 540

30 (cfs-day 

j

542 

617 

1,300 

582 

586

570 

301 

268 

388 

783

1,020 

1,540 

1,940 

1,660 

891

472 

277 

223 

211 

97

108 

122 

108 

54 

116

49 

53 

74 

71 

50

--

8,960 

10, 900 

20,900 

9,050 

8,580

8,260 

4,950 

4,260 

«, 170 

14, 900

17, 800 

27,200 

41,800 

41, 100 

22,500

9,770 

4,850 

3,730 

4,640 

2,030

1,890 

1,850 

1,440 

671 

1,570

a 692 

a 766 

a 969 

a 797 

a 466

283,461

Jily

Mean 

discharge 

(cfs)

8,960 

8,930 

8,620 

8,340 

7,700

7,780 

7,590 

7,180 

7,420 

7, 180

7,560 

7,920 

8,540 

8,930 

9,050

8,420 

7,750 

8,450 

8,730 

7,980

7,400 

6,700 

6,480 

6,590 

7,210

7,670 

6,720 

5,760 

5,540 

5,660 

5,990

234,750

Suspended sediment

Mean 

concentration 

(ppnr)

1,050 

1, 050 

1, 080 

75' 

572

56' 

60? 

760 

76"> 

86*

1, 630 

1, 680 

1, 640 

1, 680 

1,711

1,611 

1,481 

977 

90 "> 

92 r

85-1 

471 

431 

401 

511

44* 

40"> 

527 

361 

35-> 

55^

~

Tons 

per 

day

25, 500 

25,400 

25, 100 

17, 000 

11, 900

11,900 

12, 500 

14, 700 

15,400 

16, 800

33,300 

35, 900 

37, 800 

40,500 

41, 800

36, 600 

31,000 

22,300 

21,400 

19,900

17, 100 

8,560 

7,520 

7,120 

9,990

9,190 

7,400 

8,200 

5,400 

5,460 

8,980

591, 620

s) .........................................

ons) ..................................................

1, 106, 700 

82.2 

3,569,391

a Computed from estimated concentration graph.
NENANA RIVER NEAR HEALY Continued

Particle-size analyses of suspended sediment, June'to Au

(Methods of analysis: B, bottom withdrawal tube; D, decantation; P, pipette

W, in distilled water; C, chemically dispersed; M, mechanic

Date 

of 

Collection

June 22, 

July 12 ..........

Time

9:10 a.m.

Discharge 

(cfs)

10, 200 

7,110 

2,680

Water 

temperature 

<°F)

47

Suspended 

Concentration 

of sample 

(ppm)

905 

1,660 

2,030

Concentration 

of suspension 

analyzed 

(ppm)

2,540 

1,990 

2,260

Percent f

0.002

15 

19 

13

0.004

22 

25 

20

0.008

33 

33 

29

0.016

42 

42 

40
ALASKA WEST OP LONGITUDE 141 c 85

Yukon River at Ruby

Location. Lat 64°44 I 25", long 155°29i55", on left bank at Ruby, 300 ft downstream from 

Ruby Creek, 2 miles downstream from Melozitna River, and 2-j miles upstream from Ruby 

Slough.

Drainage area. 259,000 sq mi, approximately.

Records available. October 1956 to September 1957.

Gage. Staff gage read twice daily. Altitude of gage is 150 ft (from topographic map).

Extremes. Maximum discharge during year, 753,000 cfs June 3 or 4 (gage height, 32.4 ft, 

from floodmarks), from rating curve extended above 570,000 cfs by logarit'imic plotting; 

minimum not determined.

Remarks. Records fair except those for periods of ice effect or no gage-height record, 

which are poor.

Discharge, In cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29 

30

31

Total

Mean

Ac-ft

Oct.

* 247. OOP

241,000

236,000

b220,000

b20 0,000

b!90,000

blSO.OOO

b!70,000

bl60,000

bl 50,000

b!50,000

b!40,000

b!30,000

b!20,000

b!20,000

bllO,000

bllO,000

blOO,000

b96,000

b93,000

b88,000

b86,000

b82,000

b79,000

77,000

75,000

73,000

71,000

70,000 

70,000

69.000

$4,003

129,100

$7,940

Nov.

 57,000

$1,710

57,000

*3,392

Dec.

.45,000

il,395

45,000

$2,767

Jan.

,36,000

(*)

$1,116

36,000

$2,214

Feb.

 30,000

-

840,000

30,000

$1,666

Mar.

,29,000

899,000

29,000

$1,783

Apr.

(*)

.29,000

> 31, 000

900,000

30,000

$1,785

May

 56,000

 260,000

(630,000

$10,090

325,500

*20,010

June

730,000

740,000

75O,OOO

750,000

740,000

720,000

680,000

640,000

610,000

580,000

*563,000

566,000

562,000

548,000

528,000

507,000

485,000

460,000

431,000

405,000

386,000

374,000

366,000

361,000

352,000

343,000

337,000

333,000

332,000 

336,000

$15,515

517,200

$30,770

July

342,000

343,000

341.OOO

338,000

333,000

328,000

324,000

323,000

326,000

329,000

331,000

332,000

334,000

338,000

345,000

353.000

352,000

347,000

*359,000

329,000

321,000

315,000

311,000

307,000

301,000

296,000

289,000

284,000

280,000 

277,000

277,000

Aug.

276,000

776,000

^74,000

771,000

"69,000

767,000

766,000

'K2.000

'60,000

757,000

755,000

754,000

'53,000

752,000

'52,000

753,000

"55,000

"52,000

'52,000

"53,000

"253,000

"52,000

251,000

248,000

247,000

248,000

249,000

252,000

258,000 

261,000

263,000

$9,985 $7,991

322,100 257,800

$19,800 $15,850

Sept.

263,000

262,000

260,000

257,000

252,000

248,000

246,000

2 45, OOQ

244,000

243,000

243,000

242,000

239,000

238,000

236,000

235,000

233,000

235,000

239,000

242,000

244,000

248,000

254,000

259,000

260,000

»257,000

253,000

247,000

239,000 

251.000

$7,394

246,500

$14,670

Calendar year 1956: Max - Min - Mean - Ac-ft -

Water year 1956-57: Max 750,000 Min - Mean 169,400 Ac-ft 122,600,000

* Discharge measurement made on this day.

$ Expressed in thousands.

b Stage-discharge relation affected by ice.

Mote. No gage-height record Oct. 25 to June 10 (stage-discharge relation affected by Ice during 

most of period); discharge estimated on basis of 3 discharge measurements, weather records, and records for other Yukon River stations.
86 ALASKA WEST OF LONGITUDE 141°

Yukon River at Kaltag

Location. Lat 64°16 I 00", long 158°41 I 45", on right bank at Civil Aeronautics Authority 

station airstrip, 1 mile downstream from Rodo River and 4.3 miles south of Kaltag.

Drainage area. 296,000 sq mi, approximately.

Records available.--October 1956 to September 1957.

Gage. Staff gage read twice daily. Altitude of gage is 50 ft (from topographic map).

Extremes.--Maximum discharge during year, 1,020,000 cfs June 5 (gage height, 30.02 ft, 

from graph based on gage readings), from rating curve extended above 860,000 cfs by 

logarithmic plotting; minimum not determined.

Remarks. Records poor.

Discharge, in cubic feet per second, water year October 1956 to September 1957

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Total

Mean

Ac-ft

Oct.

3JLO.OOO

;*2 92,000

276,000

258,000

236,000

220,000

210,000

200,000

190,000

180,000

170,000

160,000

160,000

150,000

140,000

130, ooo

120,000

120,000 110,000

110,000

100,000

100,000

97,000

93,000

90,000

88,000

85,000

83,000

82,000

81 , OOO

79.000

*4,720

152,300

*9,362

Nov.

, 65,000

$1,950

65,000

*3,868

Dec.

 50,000

*1,550

50,000

*3,074

Jan.

41,000

(*)

*1,271

41,000

*2,521

Feb.

'34,000

952 . 000

34,000

*1,888

Mar.

.32,000

992,000

32,000

*1,968

Apr.

(*)

32,000

35,000

*1,005

33,500

tl,993

May

110,000

'

836,000

841,000

866,000

896,000

*12,289

396,400

*24,370

June

917,000

928,000

957,000

971,000

996,000

997,000

968,000

936,000

9O2,OOO

"869,000

844,000

836,000

837,000

832,000

822,000

796,000

771,000

735,000

701,000

664,000

614,000

559,000

541,000

519,000

497,000

479,000

466,000

449,000

439,000

431jQ_QO

*22,273

742,400

*44,180

July

425.000

425,000

417,000

412,000

402,000

393,000

381,000

371,000

363,000

354,000

362,000

363,000

369,000

384,000

388,000

387,000

383,000

381,000

«363,000

359,000

348, COO

339,000

334, COO

332, COO

328,000

320,000

315,000

311,000

306,000

300,000

298,000

$11,213

361,700

*22,240

Aug.

297,000

297,000

296,000

291,000

288,000

287,000

289,000

289,000

288,000

284,000

280,000

275,000

272,000

271,000

27O.OOO

271,000

270,000

272,000

272,000

 271,000

272,000

274,000

277,000

277,000

276,000

277,000

279,000

281,000

283,000

292,000

304,000

$8,722

281,400

$17,300

Sept.

308,000

310,000

310,000

308,000

301,000

291,000

283,000

276,000

273,000

273,000

272,000

272,000

273,000

270,000

269,000

264,000

260,000

258,000

263, OOO

269,000

278,000

295,000

308,000

320,000

*556.000

336,000

336,000

327,000

315,000

300,000

*8,754

291,800

*17,360

Calendar year 1956: Max - 

Water year 1956-57: Max 997,000

Min - 

Min -

Mean -

Mean 207,400

Ac-ft -

Ac-ft 150,100,000

* Discharge measurement made on this day.

* Expressed in thousands.

Note. No gage-height record Oct. 1, Oct. 6 to May 27j discharge estimated on baris of 3 discharge 

measurements, weather records, and records for stations at Ruby and Rampart.
DISCHARGE MEASUREMENTS AT POINTS OTHER THAN OAGING STATIONS 87

Measurements of streamflow in Alaska made at points other than regular gaging stations 

are given in the following table. Most of these measurements were made during periods of 

base flow when streamflow is primarily from ground-water storage. Measurements believed 

to have been made under base-flow conditions are identified by an asterisk (*) to the left 

of the discharge figure. These measurements when correlated with the simultaneous discharge of a nearby stream where continuous records are available will give a picture of 

the low-flow potentiality of stream. The column headed, "Measured previously" shows the 

water years in which measurements were made at the same, or practically the same, site.

Discharge measurements made In Alaska at points other than gaging stations during water year 1957

Stream Tributary to Location

Drainage 

area 

(sq mi)

Measured 

previously 

(water 

years)

Date Discharge 

(cfsT

Southeastern Alaska

Delta (Ruth)

Creek.

Sheep Creek. .

Do........

Auke Creek. . .

Lena Cove

Creek.

Peterson

Creek.

Bear Cove ....

Cowe Creek. . .

Unnamed creek

Do. .......

Do........

Fish Creek...

Thomas Bay. . .

Gastineau

Channel.

do

Auke Bay. ....

Lena Cove ....

Favorite

Channel.

Stephens

Passage.

Gastineau

Channel.

do

Gastineau

Channel.

do

.... do .......

Fritz Cove. . .

Lat 56° 48', long 132° 47', at mouth,

13 miles northeast of Petersburg.

Lat 58°16'20", long 134°19'10", 5O

ft above diversion dam, 1.0 mile

above mouth, and 4 miles southeast of Juneau.

Lat 58° 15 '40", long 134° 19 '2 5", at

mouth, 4^ miles southeast of

Juneau. 

Lat 58°21'35", long 134°29'50", at

highway bridge, 5 miles northLat 58°23'05", long 134°38'00", at

Auke Lake Outlet, 0.4 mile above

mouth and \ mile east of Auke

Bay.

Lat 58°23'45", long 134°44'45", at

mouth, at highway bridge.

3j miles west of Auke Bay.

Lat 5B°29'10", long 134°46'30", at

highway bridge, f mile above

mouth and 8 miles northwest of

Auke Bay.

Lat 58° 17', long 134° 47', on

Admiralty Island, 14 miles west

of Juneau.

Lat 58°17'50", long 134°26'00", on

Douglas Island, at mouth, ^ mile

southwest of Juneau.

Lat 58° 18 '45", long 134°27'25", on

Douglas Island, at mouth, 2

miles northwest of Juneau.

Lat 58° 20', long 134° 30', on

Douglas Island, at mouth, 4

miles northwest of Juneau.

Lat 58°21', long 134° 32', on

Douglas Island, at mouth, 5

miles northwest of Juneau.

Lat 58°20', long 134° 34', on

Douglas Island, at mouth, 6j

miles northwest of Juneau.

Lat 5B°19'50", long 134°35'25",

on Douglas Island, at mouth,

7 miles northwest of Juneau.

10.3

4.57

5.96

24.4

3.75

.5

8.6

12.7

-

_

-

_

_

13.6

1947-53,

1955-56

1951-53,

1954

1952,1954,

1956

1951-56

1948-52,

1953,1956

1948-51

Mar. 7

Mar. 8

Jan. 10

Feb. 7

Mar. 8 

Oct. 25

Jan. 9

Feb. 7 

Mar. 7

Jan. 9

Feb. 7

Mar. 7

Feb. 6

Feb. 27

Mar. 7

Mar. 20

Mar. 7

Nov. 15

Feb. 19

Feb. 19

Feb. 19

Feb. 19

Feb. 19

Oct. 26

Jar. 9

Fet. 19

Aug. 1

Aug. 14

*7.01

*6.81

*28.2

*11.6

*7.27 

*70.1

*57.5

*26 . 6 

*15.8

*4.53

*.83

*1.65

*.04

*.04

*.04

*.09

*1.82

*17.8

*1.30

*1.39

*1.29

*.62

*.40

*21.4

*22.4

*5.85

19.6

*11.2

Alaska west of longitude 141°

Gulkana River

Solomon Gulch

Bradley River

Quartz Creek.

Do........

Copper River.

Prince

William

Sound.

Katchemak Bay

Kenai River. .

.... do .......

Lat 62°16'10", long 145°22'50", at

bridge on Richardson Highway, at

Gulkana.

Lat 61°05', long 146°19', at tidewater, ^ mile downstream from

small lake and 3 miles southwest

of Valdez (at site of former

gaging station) .

Lat 59°45'20", long 150°51'00", at

outlet of Bradley Lake, 26 miles

northeast of Homer.

Lat 60" 30 '05", long 149° 41 '20",

0.2 mile above Crescent Creek

and 5 miles east of Cooper

Landing .

Lat 60°28'50", long 149°43'05", at

old highway bridge, about -J mile

above mouth and about 4 miles

east of Cooper Landing.

a49K>

a!9

54.0

-

1948-50,

1954

194B-56t

1955

1947-50

Jure 15

Auf. 2

Sept. 2

Nov. 1

May 7

Mar. 12

July 15

Aug. 19

Sept. 28

Dec. 20

Mar. 13

May 2

June 13

July 24

Sept. 26

2,580

1,100

967

40.0

34.9

*25.7

BIO

760

542

*58.4

*56.6

117

632

223

479

* Base flow.

t Period of record as a continuous-record gaging station.

a Approximately.
DISCHARGE MEASUREMENTS AT POINTS OTHER THAN GAGING STATIONS

Discharge measurements made In Alaska at points other than gaging stations during 

water year 1957 Continued

Stream Tributary to Location

Drainage 

area 

(sq mi)

Measured 

previously 

(water 

years )

Date

Discharge 

(efs)

Alaska west of longitude 141° Continued

Russian Jack

Springs .

Knik River. . .

Deception

Creek.

Willow Creek.

Maclaren

River.

Monashka

Creek.

Tanalian

River.

Wood River. . .

West Pork. . . .

Mosquito Fork

South Pork. . .

Forty Mile

River.

Birch Creek. .

Chatanika

River.

Melozltna

River.

Chester Creek

Cook Inlet...

Willow Creek.

Susitna River

.... do .......

Monashka Bay.

Newhalen

River.

Nushagak

River.

Denison Pork.

South Fork. . .

Forty Mile

River.

Yukon River. .

.... do .......

Tolovana

River.

Yukon River. .

In NEi sec. 22, T. 13 N., R. 3 W.,

at Anchorage prison farm, 3i

miles east of Anchorage.

In SEi sec. 2, T. 16 N., R. 2 E.,

at bridge on Qlenn Highway, 7

miles south of Palmer.

Lat 61" 45 '55", long 150" 02 '10", in

sec. 5, T. 19 N., R. 4 W. , at

bridge, 0.3 mile above mouth and

1.3 miles north of Willow.

Lat 61°45'55", long 150°02'50", in

sec. 5, T. 19 N., R. 4 W. , at

Alaska Railroad bridge, 1.3

miles north of Willow.

Lat 63°06'55", long 146°31'35", at

bridge on Denali Highway, 1.7

miles below Boulder Creek and 34

miles west of Paxson.

Lat 57°50'25", long 152°26 1 35", 75

ft below small tributary, 500 ft

above mouth, and about 4 miles

northwest of/Kodiak.

Lat 60°11', long 154°15', 100 ft

below outlet of Kontrashibuna

Lake, 1 mile above small tributary, and 2^ miles southeast of

Port Alsworth.

Lat 59°17', long 158°34 1 , at outlet of Lake Aleknagik, li miles

east of Aleknagik.

Lat 63° 54', long 142°08', at

bridge on Taylor Highway, 5

miles above mouth and 15 miles

southwest of Chicken.

Lat 64° 04', long 141° 57', at

bridge on Taylor Highway, 1 mile

west of Chicken and 2j miles

above mouth.

Lat 64°06', long 141° 47', at

bridge on Taylor Highway, 5

miles east of Chicken.

Lat 64°18', long 141°24', at

bridge on Taylor Highway, £ mile

below O'Brien Creek and i^ miles

northwest of Steel Creek.

Lat 65" 43', long 144° 20', at

bridge on Steese Highway, 12

miles southwest of Circle.

Lat 65°05'05", long 147°43'25". at

bridge on Elliott Highway, lj

miles northwest of Olnes and 165

miles north of Fairbanks.

Lat 64"46', long 155°29', J mile

above mouth and 2 miles northeast of Ruby.

.

-

-

-

a290

-

a200

-

-

-

-

a5,880

-

-

-

1948-49,

1952-56

1948-56

1948

1951-56t

1954-55

1954-55

1954-55

1954-56

1954-55

1948-49,

1954-55

Oct. 8

lee. 27

Mar. 27

Apr. 26

July 3

July 15

July 17

July 18

July 22

Jily 5

Jjly 5

Jjly 24

O'.t. 5

Jine 7

S?pt.24

Jily 30

July 30

Aug. 1

July 31

July 28

July 28

Aug. 30

Sept. 26

6.99

5.43

*4.75

6.83

5.34

90,500

174,000

306,000

32,100

42.1

951

3,360

25.8

2,030

8,490

97.1

178

408

1,100

447

140

111

2,210

* Base flow.

t Period of record as a continuous-record gaging station.

a Approximately.
MISCELLANEOUS ANALYSES OF STREAMS IN ALAS

Chemical analyses, in parts per million, water year October 1956 to 

Date of collection Discharge 

(cfs)

Silica 

(SiO,)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCOS)

Sulfate 

(S04 )

Chloride 

(Cl)

TWELVEMILE CREEK NEAR HOLLIS (PRINCE OF WALES 

Oct. 23, 1956 ........ 1.9 0.00 19 | 1.5 | 1.4 | 0.2 61 4.0 3.0 

INDIAN CREEK NEAR HOLLIS

Oct. 24, 1956 ........ 1.8 0.00 3.2 0.5 1.5 0.2 11 0.2 3.5 

MAYBESO CREEK NEAR HARRIS

1 '-I 0.00 7.5 0.3 1.4 0.2 20 3.5 2.0 

OLD TOM CREEK NEAR KASAAN

Oct. 26, 1956 ........ 2

Q 

. O 0.00 7.1 0.8 7.12 0.4 15 6.7 10 

SAWMILL CREEK NEAR SITKA

Feb. 20. .............

Sept. 22 ............. 785

2.3

1.5

.06

.00

4.4

4.0

.0

.7

1.0

1.7

.9

.6

.1

15

15

10

2.5

5.0

5.0 1.0

SLANA RIVER NEAR SLANA

Sept. 17 .............

6.5

7.8

0.03

.05

.00

.08

40

37

39

44

5.9

12

14

10

3.2

2.1

2.4

2.2

1.3

1.6

1.0

1.0

.5

155

104

119

104

118

39

33

47

58

0.8

1.8

1.5

1.5
MISCELLANEOUS ANALYSES OF STREAMS IN ALASKA 

Chemical analyses, in parts per million, water year October 1956 to Sep

Date of collection Discharge 

(cfs)

Silica 

(SiO,)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(SO,)

Chloride 

(Cl)

F

AHTELL CREEK NEAR SLANA

11 

11

0.00 

.07

23 

29

4.3 

4.0

1.6 

2.0

0.4 

.1

69 

75

17 

30

0.5 

1.5

INDIAN RIVER NEAR CHISTOCHINA

Mar. 29, 1957. ...... 14 

15

0.00 

.04

28 

19

4.9 

4.5

2.7 

1.6

0.8 

.6

105 

74

10 

4.0

0.5 

.2

BOULDER CREEK NEAR CHISTOCHINA

22 0.03 9.1 4.1 7.8 0.8 57 7.0 3.8 

COPPER RIVER NEAR CHISTOCHINA

Mar. 17, 1957 ....... 21 0.04 26 7.2 12 1.6 105 24 8.8 

CHISTOCHINA RIVER NEAR CHISTOCHINA

Mar. 29, 1957 .......

Aug. 1 ..............

Sept. 17 .............

11 

7.3 

5.6 

7.6

0.03 

.06 

.07 

.10

44 

23 

33 

31

5.5 

4.3 

8.8 

12

3.0 

2.1 

1.6 

2.2

1.5 

1.6 

1.1 

.6

129 

71 

83 

98

31 

17 

48 

52

1.2 

1.0 

.0 

2.5

SANFORD RIVER NEAR GAKONA

Mar. 5, 1957 ........ 26 0.08 9.9 5.5 13 0.9 73 6.0 3.3 

COPPER RIVER NEAR GAKONA

Aug. 1, 1957 ........ 11 23 7.1 6.6 1.5 74 32 4.0 
MISCELLANEOUS ANALYSES OF STREAMS IN ALASKA 

Chemical analyses, in parts per million, water year October 1956 to Sep

Date of collection Discharge 

(cfs)

Silica 

(SiO,)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO.)

Sulfate 

(SO,)

Chloride 

(Cl)

GULKANA RIVER NEAR PAXSON

Sept. 19, 1957. 7.8 0.00 12 1.9 0.7 

GULKANA RIVER AT GULKANA

Mar. 27, 1957. ......

Sept. 17 ............ 7.8

0.03

.00

25

18

6.2

6.1

8.3

5.8

1.3

1.0

.8

73

nc

78

5.0

4.0 9.1 

Mar. 5, 1957

NADINA RIVER NEAR COPPER CENTER

32 0.04 27 7.8 12 1.4 98 39 5.3 

CHETASLINA RIVER NEAR CHITINA

Mar. 5, 1957 ....... 36 0.00 22 4.6 25 2.9 62 51 19 

CHITINA RIVER NEAR MCCARTHY

5.2 0.03 40 \ 16 3.7 3.2 176 32 1.8 

TANA RIVER NEAR MCCARTHY

Mar. 5, 1957. ........ 6.8 0.00 27 1.9 2.0 3.3 75 22 0.5 

NIZINA RIVER NEAR MCCARTHY

Mar. 5, 1957 ........ 6.8 1 0.04 36 18 8.9 | 1.5 158 41 6.3 

KUSKULANA RIVER NEAR CHITINA

Mar. 5, 1957 ........ 8.9 0.03 39 6.6 3.7 1.4 124 27 0.8 
MISCELLANEOUS ANALYSES OF STREAMS IN ALASKA 

Chemical analyses, In parts per million, water year October 1956 to Sept

Date of collection Discharge 

(cfs)

Silica 

(SiOa )

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(SO.)

Chloride 

(Cl)

BRADLEY RIVER NEAR HOMER

July 15, 1957 ..... 1.7 0.15 8.3 

RUSSIAN RIVER AT UPPER RUSSIAN LAKE NEAR COOPER 

2.4 0.03 9.1 2.4 1.1 0.2 33 3.2 1.5 

SUSITNA RIVER NEAR DENALI

Aug. 27 ...........

164 

a6,950

12 

3.2

0.00 

.04

51 

23

6.8 

6.2

15 

3.8

6.5 

3.6

163 

70

37 

31

19 

3.8

UGANIK RIVER NEAR KODIAK

Oct. 4, 1956 .......

July 18, 1957.......

213 

663

3.8

|_ 2.8

0.00 

.03

5.2 

4.0

0.9 

1.4

2.0 

1.3

0.2 

.2

16 

17

3.0 

2.5

2.5 

1.5

TANALIAN RIVER NEAR PORT ALSWORTH

Oct. 3, 1956 462 4.7 0.00 6.4 0.7 1.0 0.4 15 5.0 1.2 

NEWHALEN RIVER NEAR ILIAMNA

July 18, 1957. .......

12,200 

19,300

4.7 

5.3

0.00 

.05

7.5 

6.7

0.3 

1.9

1.1 

1.1

0.7 

.8

23

29

3.3 

3.5

0.2

.5

KVICHAK RIVER NEAR IGIUGIG

1.8 0.00 6.0 0.7 1.7 0.5 19 3.5 1.2 

NUYAKUK RIVER NEAR DILLINGHAM

Apr. 3, 1957........

7,440 

1,630

4.6 

4.0

0.00 

.00

8.3 

9.5

0.7 

1.4

0.8 

.9

0.2 

.1

26 

30

4.0 

5.5

1.5 

.0

a Daily mean discharge.
MISCELLANEOUS ANALYSES OF STREAMS IN ALASK

Chemical analyses, in parts per million, water year October 1956 to Se

Date of collection Discharge 

(cfs)

Silica 

(SiQ,)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(S04 )

Chloride 

(Cl)

NUSHAGAK RIVER NEAR EKWAK

Oct. 10, 1956 .......

Nov. 7 .............

7.4 

7.9 

11

0.15 

.00 

.00

7.1 

6.7 

8.3

1.0 

1.5 

1.4

1.4 

1.6 

2.0

0.5 

.2 

.5

25 

26 

30

3.5 

4.0 

3.0

0.8 

1.2 

1.0

TOKOTNA RIVER NEAR McGRATH 

Apr. 7, 1957........ 18 1.1 43 13 4.8 1.2 199 3.0 0.5 

STONY RIVER NEAR STONY RIVER 

Apr. 4, 1957........ 10 0.28 16 2.5 2.2 1.0 57 8.0 0.0 

HOLITNA RIVER NEAR SLEETMUTE 

Apr. 4, 1957.... .... 15 0.86 17 3.6 2.6 0.5 72 4.0 0.5 

ANIAK RIVER AT ANIAK 

Apr. 4, 1957........ 10 0.42 9.9 3.1 4.9 0.6 44 8.0 1.0 

WEST FORK FORTYMILE RIVER NEAR CHICKEN

July 30, 1957 ....... 97.1 14 0.19 7.9 4.1 3.0 1.2 28 14 1.5 

MOSQUITO FORK FORTYMILE RIVER NEAR CHICK

July 30, 1957 ....... 178 11 0,11 15 5.8 4.7 1.3 55 26 0.5 

SOUTH FORK FORTYMILE RIVER NEAR CHICKE

Aug. 1, 1957........ 408 14 0.17 15 4.3 3.6 0.9 57 11 1.0 
MISCELLANEOUS ANALYSES OF STREAMS IN ALASKA 

Chemical analyses, in parts per million, water year October 1956 to Se

Date of collection Discharge 

(cfs)

Silica 

(SiOa )

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCOS)

Sulfate 

(S0«) (Cl) 

FORTYMILE RIVER NEAR BOUNDARY

July 31, 1957........ [ 1,100 11 0.0820

Mar. 23, 1957....... 13,900 6.6 0.00 28

June 18............. 229,000 6,2 .16 31

July 31 ............. 155,000 6.7 .05 25

Aug. 29 ............ 118,000 4.7 .03 27

July 28, 1957 ....... 447 | 6.4 Q.Q8 25

Oct. 1-10, 1956 ..... a!20,000 7.1 0.00 30

Oct. 11-20.......... a59,500 9.7. .00 38

Oct. 21-28.......... a43,400 9.7 .00 45

Dec. 2 ............. 29,400 7.4 .00 27

Mar. 22, 1957 ...... 16,800 7.0 .00 31

July J27 ............. 198,000 6.1 .08 31

Aug. 30 ............ 189,000 4.9 .03 28

May 23, 1957 ....... 10 0.08 35

Aug. 1 ............. 8.7 .03 38

Sept. 17 ............ ________ 10 .00^ __43_

a Daily mean discharge.

YUKON RIVER AT EAGLE

7.4 

9.5

2.8 

2.0 

2.2 

3.4

1.3 

1.3

1.2 

1.7

114

108

90

106

0.5 

.5 

.2

.5

BIRCH CREEK AT CIRCLE

YUKON RIVER AT RAMPART

3.0

5.0

4.8

2 3

1.0 

1.3 

1.8 

1.0 

1.6 

1.3 

1.1

97

134

159

46

128

110

104

0.5 

.8

1.2 

.8

1.0 

.2

LITTLE TOK RIVER NEAR TOK JUNCTION

7.3

11

11

1.3 

.9 

.4

104

133

148

2.0 

.2 

2.5
MISCELLANEOUS ANALYSES OF STREAMS IN ALAS

Chemical analyses, in parts per million, water year October 1956 to 

Date of collection Discharge 

(cfs)

Silica 

(SiOa)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(S04 )

Chlorid

(Cl)

TDK RIVER AT BRIDGE ON GLENN HIGHWAY NEAR 

Sept. 17 ............

7.3

7.9

8. 3

.00

.00

45

54

12

14 2.3

1.6

.7

109

140

155

45

65

.5

2.5

ROBERTSON RIVER NEAR TANACROSS

Sept. 18, 1957 ...... 3.3 0.00 49 16 1.7 1.7 111 97 1.5 

JOHNSON RIVER NEAR DOT LAKE 

3.3 0.00 40 12 1.7 2.4 98 70 1.0 

LITTLE GERSTLE RIVER NEAR BIG DELT

Sept. 18, 1957 ...... 5.1 0.00 40 14 1.7 2.4 131 59 0.5 

GERSTLE RIVER NEAR BIG DELTA

3.0 0.00 35 13 2.1 2.0 92 71 1.5 

DELTA RIVER NEAR RAPIDS

Sept. 19, 1957 ...... 5.7

5.6

0.00 1 23 8.6 2.4 1.2 83 33 1.0 

DELTA RIVER AT BIG DELTA

0.00 28 12 2.7 3.4 98 47 1.0 
MISCELLANEOUS ANALYSES OF STREAMS IN ALAS

Chemical analyses, in parts per million, water year October 1956 to 

Date of collection

Discharge 

(cfs)

Silica 

(Si02)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCO,)

Sulfate 

(S04 )

Chloride 

(Cl)

SHAW CREEK NEAR BIG DELTA

15 0.00 19 10 3.6 1.6 98 12 0. 5 

SALCHA RIVER NEAR SLACHAKET

Sept. 18, 1957 ..... a 988 6.7 0.00 18 6.6 1.9 1.3 65 20 1.0 

CHENA RIVER AT FAIRBANKS 

A H0. OQ

Sept. 18 ...........

864 

610 

a 636

10 

9.2 

11

0.05 

.05 

.00

26 

24 

27

6.8 

8.4 

7.1

2.9 

3.1 

2.9

1.5 

1.1 

1.5

95 

101 

104

16 

16 

17

0.2 

.2 

1.0

CHATANIKA RIVER ON ELLIOT HIGHWAY NEAR 

140 7.7 0.12 19 7.2 1.6 0.9 60 28 0.2 

HEALY CREEK AT SUNTRANA 

3.0 0.00 38 23 3.1 0.9 144 70 2.8 

YUKON RIVER AT RUBY

July 19 ............

28,400 

336,000

11 

7.2

0.00 

.08

46 

31

8.6 

7.3

4.4 

2.5

2.2

2.1

160 

108

25 

23

2.0 

. >:

YUKON RIVER NEAR KALTAG

Oct. 2, 1956 .......

Apr. 6. ............

July 19 ............

283,000

32,300

364,000

8.7

10

6.9

0.11

.00

.00

.05

20

39

47

28

3.9

9.4

8.7

6.8

2.6

4.0

3.8

2.4

0.4

1.8

1.7

1.2

72

166

103

10

25

23

19

0.5

1.8

.5

.2

a Daily mean discharge.
MISCELLANEOUS ANALYSES OF STREAMS IN ALA

Chemical analyses, in parts per million, water year October 1956 

Date of collection Discharge 

(cfs)

Silica 

(SiO.)

Iron 

(Fe)

Calcium 

(Ca)

Magnesium 

(Mg)

Sodium 

(Na)

Potassium 

(K)

Bicarbonate 

(HCOS)

Sulfate 

(SO,)

Chlorid

(Cl)

INNOKO RIVER AT SHAGELUK

Oct. 4, 1956 ....... 0.1 0.33 11 2-7 1.8 0.4 40 6.0 0.8 

INNOKO RIVER NEAR HOLY CROSS

Apr. 5, 1957 ...... 25 11 29 7.4 4.4 1.4 136 2.0 1.0 

UNNAMED CREEK NEAR SAVOONGA (SAINT LAWRENC

July 27, 1957 ...... 0.3 0.06 1.2 4.0 4.0 0.6 24 2.0 4.5 
INDEX

Accuracy of field data and computed

results.........................

Acre-foot, definition of..............

Ahtel Creek, chemical analyses of.....

Anchor River at Anchor Point..........

Anchorage, Ship Creek near............

South Fork Campbell Creek near......

Angoon, Hasselborg Creek near.........

Aniak River, chemical analyses

of..............................

Auke Creek, discharge measurements

of..............................

Baranof, Takatz Creek near ............

Bear Cove, discharge measurement

of..............................

Big Delta, Tanana River at............

Birch Creek, chemical analyses of....,

discharge measurement of............

Boulder Creek, chemical analyses of... 

Bradley River, chemical analyses of..,

discharge measurements of...........

Campbell Creek, South Fork, near

Anchorage.......................

Caribou Creek near Sutton.............

Carlson Creek near Juneau.............

Cascade Creek near Petersburg.........

Cfs-day, definition of................

Chatanika River, chemical analyses

of..............................

discharge measurement of............

Chena River, at Fairbanks .............

chemical analyses of................

Chetaslina River, chemical analyses

of..............................

Chistochina River, chemical analyses

of..............................

Chitina, Copper River near............

Chitina River, chemical analyses

of..............................

Computations, accuracy of.............

Control, definition of................

Cooper Creek near Cooper Landing......

Cooper Landing, Cooper Creek near.....

Crescent Creek near.................

Kenai River at......................

Cooperation, record of................

Copper Center, Klutina River at.......

Copper River, chemical analyses

of..............................

near Chitina........................

Cordova, Power Creek near.............

Cowe Creek, discharge measurement

of..............................

Crescent Creek, near Cooper Landing... 

near Moose Pass.....................

Crooked Creek, Kuskokwim River at.....

Cubic feet per second per square mile,

definition of...................

Cubic foot per second, definition

of..............................

Data, accuracy of.....................

explanation of, for surface-water 

records.........................

for quality-of-water records......

Deception Creek, discharge measurement of.........................

Deer Lake Outlet near Port

Alexander.......................

Delta (Ruth) Creek, discharge

measurements of.................

Delta River, chemical analyses of.....

Denali, Susitna River near............

Dillingham, Nuyakuk River near........

Discharge measurements at points

other than gaging stations......

Dorothy Creek near Juneau.............

Drainage area, definition of..........

Eagle, Yukon River at.

7-8 

2

90 

43 

53 

52 

28

93

87

27

87

77

94

88

90

92

87

79

96

91

90 

38-41

91

7-8

2

51 

51

49

50

1

34-35

90

38-41 

42

87- 

49

3-6 

6-7

26

87

95

59

66

87-88

13

2

Eagle Creek, discharge measurement of.. 

Eklutna Creek near Palmer .............

Eklutna Lake near Palmer ...............

Ella Creek near Ketchikan ..............

Fairbanks , Chena River at ..............

Falls Creek near Ketchikan. ............

Fish Creek (tributary to Fritz Ccve),

discharge measurements of ........

Fish Creek (streams on Revillagigedo

Island) near Ketchikan. ..........

Fortymile 'River, chemical analyses of . . 

discharge measurements of ............

Mosquito Fork, Chemical analyses of.. 

discharge measurement of ...........

South Fork, chemical analyses cf.....

discharge measurement of ...........

West Fork, chemical analyses of......

discharge measurement of ...........

Page 

87 

55 

54 

23

79

21

87

22

94

88

93

88

93

88

93

88

Gakona River at Gakona................ 30-31

Gerstle River, chemical analyses of.... 95

Glenallen, Tazlina River near.......... 32-33

Gold Creek, Susitna River at........... 60-63

Gold Creek at Juneau................... 16

Grant Creek near Moose Pass............ 46

Gulkana River, chemical analyses

of............................... 91

discharge measurements of............ 87

Harding River near Wrangell............ 10

Hardness determinations................ 2

Hasselborg Creek near Angoon........... 28

Healy, Nenana River near............... 80-84

Healy Creek, chemical analyses of...... 96

Holitna River, chemical analyses

of............................... 93

Iliamna, Newhalen River near........... 65

Indian Creek, chemical analyses cf..... 89

Indian River, chemical analyses cf..... 90

Innoko River, chemical analyses cf..... 97

Johnson River, chemical analyses of.... 95

Juneau, Carlson Creek near............. 14

Dorothy Creek near................... 13

Gold Creek at........................ 16

Lemon Creek near..................... 17

Long River near...................... 12

Sheep Creek near..................... 15

Kaltag, Yukon River at................. 86

Kasilof River near Kasilof............. 44

Kenai River at Cooper Landing.......... 50

Ketchikan, Ella Creek near............. 23

Falls Creek near..................... 21

Fish Creek near...................... 22

Mahoney Creek near................... 20

Manzanita Creek near................. 24

Winstanley Creek near................ 9

Klutina River at Copper Center......... 34-35

Knik River, discharge measurements

of............................... 88

Kodiak, Uganik River near.............. 64

Kuskokwim River at Crooked Creek....... 67-68

Kuskulana River, chemical analyses

of............................... 91

Kvichak River, chemical analyses of.... 92

Lawing, Ptarmigan Creek at............. 45

Trail River near..................... 47

Lemon Creek, discharge measurements

of............................... 87

near Juneau.......................... 17

Lena Cove Creek, discharge measurements

of............................... 87

Little Gerstle River, chemical

analyses of...................... 95

Little Susitna River near Palmer....... 58

Little Tok River, chemical analyses

of............................... 94

Long River near Juneau................. 12

99
INDEX

Maclaren River, discharge measurement 

of..............................

Mahoney Creek near Ketchikan..........

Manzanita Creek near Ketchikan........

Matanuska River at Palmer.............

Maybesno Creek, chemical analyses of..

Melozitna River, discharge measurement of.........................

Monashka Creek, discharge measurement of.........................

Moose Pass, Crescent Creek near.......

Grant Creek near....................

Nadina River, chemical analyses of.. 

Nenana River near Healy.............

Newhalen River, chemical analyses

of............................

near Iliarana......................

Nizina River, chemical analyses of.. 

Northway Junction, Tanana River at.. 

Hushagak River, chemical analyses

of............................

Nuyakuk River, chemical analyses of.

near Dillingham...................

Old Tom Creek, chemical analyses of. 

Order, downstream, of listing

stations......................

Palmer, Eklutna Creek near.........

Eklutna Lake near................

Little Susitna River near........

Matanuska River at...............

Part per million, use of term......

Particle size......................

Pavlof River near Tenakee..........

Perseverance Creek near Wacker.....

Petersburg, Cascade Creek near.....

Peterson Creek, discharge measurement of......................

Port Alexander, Deer Lake Outlet

near.........................

Power Creek near Cordova...........

Ptarmigan Creek at Lawing..........

Publications.......................

48

46

91 

80-84

92

65

91

71-72

93

92

66

89

Quality-of-water records:

Miscellaneous chemical analyses.....

Regular sampling stations:

Copper River near Cliitina.........

Gakona River at Gakona............

Klutina River at Copper Center....

Kuskokwim River at Crooked Creek.. 

Nenana River near Healy...........

Susitna River at Gold Creek.......

Tanana River, at Northway Junction 

near Tanacross...............'...

Tazlina River near Glenallen......

Tonsina River at Tonsina..........

Quartz Creek, discharge measurements

of..............................

Rampart, Yukon River at............

Robertson River, chemical analyses

of...........................

Ruby, Yukon River at...............

Runoff in inches, definition of....

Russian Jack Springs, discharge

measurement of...............

89-97

38-41 

30-31 

34-35 

67-68 

80-84 

60-63 

71-72 

73-76 

32-33 

36-37

87

70

95

85

2

Russian River, chemical analyses of.... 

Ruth Creek. See Delta Creek.

Page 

92

Salcha River, chemical analyses of..... 96

near Salchaket....................... 78

Sanford River, chemical analyses

of............................... 90

Sawmill Creek, chemical analyses

of............................... 89

near Sitka........................... 25

Shaw Creek, chemical analyses of....... 96

Sheep Creek, discharge measurements

of............................... 87

near Juneau.......................... 15

Ship Creek near Anchorage.............. 53

Sitka, Sawmill Creek near.............. 25

Slana River, chemical analyses of...... 89

Solomon Gulch, discharge measurements

of............................... 87

Specific conductance................... 2

Stage-discharge relation, definition

of............................... 2

Stony River, chemical analyses of...... 93

Susitna River, at Gold Creek........... 60-63

chemical analyses of................. 92

near Denali.......................... 59

Suspended sediment..................... 3

Sutton, Caribou Creek near............. 56

Takatz Creek near Baranof..............

Tana River, chemical analyses of.......

Tanacross, Tanana River near...........

Tanalian River, chemical analyses

of...............................

discharge measurement of.............

Tanana River, at Big Delta.............

at Northway Junction.................

near Tanacross.......................

Tazlina River near Glennallen..........

Tenakee, Pavlof River near.............

Terms and abbreviations, definitions

of...............................

Tok River, chemical analyses of........

Tokotna River, chemical analyses

of...............................

Tonsina River at Tonsina...............

Trail River near Lawing................

Twelvemile Creek, chemical analyses of.

Uganik River, chemical analyses of..... 

near Kodiak..........................

WSP, definition of................

Wacker, Perseverance Creek near... 

Ward Creek near.................

Ward Creek near Wacker............

Willow Creek, discharge measurement of......................

Winstanley Creek near Ketchikan...,

Wood River, discharge measurement 

of...........................

Work, scope and division of........

Wrangell, Harding River near.......

Yukon River, at Eagle.

at Kaltag.

at Rampart...........

at Ruby..............

chemical analyses of.

27

91 

73-76

92 

88 

77

71-72

73-76

32-33

29

2-3

95

93 

36-37

47

92

64

2

18

19

19

1

10

69

86

70

85

94,96

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