FRESNO RESERVOIR

1978 SEDIMENTATION SURVEY

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Department of the Interior

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Bureau of Reclamation
FRESNO RESERVOIR

1978 Sedimentation Survey

Hydrology Branch

Division of Planning

Upper Missouri Regional Office

U.S. Department of the Interior

Bureau of Reclamation

Billings, Montana

May 1984

Table of Contents

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Introduction i

Survey Methods 3

Aerial Survey 3

Underwater Survey 3

Reservoir Area and Capacity 5

Data Preparation 5

Elevation-Area-Capacity Computations from Cross Section Data 5

Computation of Final Elevation-Area--Capacity Tables 6

Sedimentation Analyses 7

Sedimentation Accumulation 7

Sediment Distribution 7

Reservoir Sedimentation Summary 8

Figures

Page

1 Milk River Project Map 9

2 Fresno Dam - Plan and Sections 10

3 Index Map 11

4 Layout o f Reservoir Se diment Range System 12

5 Sediment Range Profile - Range 1 (1978) 16

6 Sediment Range Profile - Range 2 (1978) 17

7 Sediment Range Profile - Range 3 (1978) 18

8 Sediment Range Profile - Range 4 (1978) 19

9 Sediment Range Profile - Range 5 (1978) 20

10 Sediment Range Profile - Range 6 (1978) 21

11 Sediment Range Profile - Range 7 (1978) 22

12 Sediment Range Profile - Range 8 (1978) 23

13 Sediment Range Profile - Range 8a (1978) 24

14 Sediment Range Profile - Range 9 (1978) 25

15 Sediment Range Profile - Range 10 (1978) 26

16 Sediment Range Profile - Range 11 (1978) 27

17 Sediment Range Profile - Range 12 (1978) 28

18 Sediment Range Profile - Range 13 (1978) 29

19 Sediment Range Profile - Range 14 (1978) 30

20 Sediment Range Profile - Range 15 (1978) 31

21 Sediment Range Profile - Range 16 (1978) 32

22 Sediment Range Profile - Range 17 (1978) 33

23 Sediment Range Profile - Range 18 (1978) 34

24 Sediment Range Profile - Range 19 (1978) 35

25 Sediment Range Profile - Range 20 (1978) 36

26 Sediment Range Profile - Range 21 (1978) 37

27 Sediment Range Profile - Range 22 (1978) 38

28 Sediment Range Profile - Range 23 (1978) 39

29 Sediment Range Profile - Range 24 (1978) 40
(continued)

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No. Page

30 Sediment Range Profile - Range 25 (1978) 41

31 Sediment Range Profile - Range 26 (1978) 42

32 Sediment Range Profile - Range 27 (1978) 43

33 Sediment Range Profile - Range 28 (1978) 44

34 Sediment Range Profile - Range 29 (1978) 45

35 Sediment Range Profile - Range 30 (1978) 46

36 Sediment Range Profile - Range 31 (1978) 47

37 Sediment Range Profile - Range 32 (1978) 48

38 Sediment Range Profile - Range 33 (1978) 49

39 Sediment Range Profile - Range 40 (1978) 50

40 Sediment Range Profile - Range 41 (1978) 51

41 Sediment Range Profile - Range 42 (1978) 52

42 Sediment Range Profile - Range 50 (1978) 53

43 Sediment Range Profile - Range 51 (1978) 54

44 Sediment Range Profile - Range 52 (1978) 55

45 Sediment Range Profile - Range 60 (1978) 56

46 Sediment Range Profile - Range 61 (1978) 57

47 Sediment Range Profile - Range 62 (1978) 58

48 Sediment Range Profile - Range 70 (1978) 59

49 Sediment Range Profile - Range 71 (1978) 60

50 Sediment Range Profile - Range 80 (1978) 61

51 Sediment Range Profile - Range 90 (1978) 62

52 Sediment Range Profile - Range 100 (1978) 63

53 Area Capacity Curves 64

54 Original and 1978 Area and Capacity Curves 65

55 Reservoir Depth-Capacity Relations hip 66

56 Longitudinal Profile 67

57 Sediment Disposition Curve 68

m_1-1

No. Page

1 Horizontal and Vertical Control 69

2 Area Table in Acres - 1-Foot Increment 72

3 Area Table in Acres - 0.10-foot Increment 73

4 Capacity Table in Acre-Feet - 1-Foot Increment 76

5 Capacity Table in Acre-Feet - 0.10-Foot Increment 77

6 Summary of 1978 Survey Results and Sediment Distribution

Computations (Inch-Pound Units) 80

7 Reservoir Sediment Data Summary 81

8 Reservoir Capacity Allocations 84
INTRODUCTION

Fresno Dam and Reservoir is located on the Milk River about 13 miles

upstream or west of Havre in north-central Montana. Construction by the

Bureau of Reclamation was completed in 1939. The original surface area

of Fresno Reservoir in 1939 was 5,760 acres and the capacity was 129,062 acrefeet at the water surface elevation of 2575.0 feet. The 1978 survey

resulted in a surface area of 4,878 acres and a capacity of 103,397 acrefeet at the same water surface elevation. Fresno reservoir is the

principal storage component of the 124,200-acre Milk River Project.

Location of the project features is shown on the project map (Figure 1).

Figure 2 shows plan and section views of Fresno Dam.

The drainage area above Fresno Dam is 3,766 square miles, of which

3,096 square miles is the net sediment contributing area. Elevations

range from slightly more than 2,500 feet near the dam to about 10,000 feet

on the western fringe, but only a very small part of the area is higher

than 5,000 feet.

The Milk River rises in the mountains of Glacier National Park and flows

northeasterly into Canada. It then flows easterly more than 200 miles

through the Province of Alberta and recrosses the International Boundary

in northwestern Hill County, Montana, where it travels a southeasterly

course to Fresno Reservoir. Below Fresno, the Milk River flows easterly

and empties into the Missouri River below Fort Peck Reservoir in northeastern Montana. The western fringe of the drainage is mountainous, but

the major part of the area ranges from steeply to gently rolling topography. Through the irrigation season, the flow of the Milk River above

Fresno is augmented by water from the St. Mary River which flows into

the Milk River via the St. Mary Canal. The St. Mary River water is

diverted at a point below Lake Sherburne, near the boundary of Glacier

National Park, and flows through the St. Mary Canal to the headwaters of

the North Fork of the Milk River.

Sedimentation has long been recognized as a serious problem in the Milk

River. Indeed, the river was named for the opaque appearance of its

water. Bank sloughing and channel alteration have been observed along

the entire length. The specific amount of sediment accumulation in

Fresno Reservoir had not been determined prior to this resurvey, but it

was known to be significant.

In the years immediately preceding the resurvey two events occurred to

bring attention to the sedimentation problem. One was the claim initiated

by the Canadian government that the additional flow of St. Mary River

water in the Milk River had caused widespread bank erosion and accompanying

loss of valuable farm land and improvements. The other was complaints

of boaters at Fresno Reservoir running aground on sand bars or islands,

even in the lower or deeper parts of the reservoir. It therefore became

apparent that a reservoir resurvey was needed at Fresno Reservoir.

Both 1976 and 1977 were low runoff years and Fresno Reservoir was drawn

down to nearly empty in mid-July 1977. The extreme drawdown presented

an excellent opportunity for aerial photography for a resurvey. A

contract was issued and aerial photography was performed in October
1977. The underwater measurements were made in the spring of 1978.

Both parts of the fieldwork are discussed elsewhere in this report.

Because the survey was completed in 1978, it is henceforth referred to

as the 1978 resurvey.

The 1978 sediment resurvey was the first since Fresno Dam was completed

in 1939. This report has been written to document the field survey

methods and computational procedures used to obtain the elevation-areacapacity curves and tables presented in this report. Comparison of

these curves with the original elevation-area-capacity curves is made to

show the effects of over 38 years of sedimentation in Fresno Reservoir.

Because sediment ranges were not established when the dam and reservoir

were completed and the topography used for the original area-capacity

tables could not be located, the extent of analysis that could be

performed was limited.

2
SURVEY METHODS

Aerial Survey

When the decision to conduct a reservoir resurvey was made during the

irrigation season of 1977, a number of actions were initiated. The

sediment ranges were located on 1:24,000 (71⁄2-minute) quadrangle sheets

by Regional and E&R Center personnel. Figure 3 is an index map for

Figure 4 (sheets 1-4) that show the location of these sediment ranges.

The sediment ranges were field located and control panels for aerial

photography placed by surveyors from the Upper Missouri Projects Office.

Horizontal and vertical control used for the sediment resurvey is shown

in Table 1. A contract to conduct the aerial survey was awarded to

Delta Aerial Surveys, Denver, Colorado.

The aerial photographs were taken in October 1977. Fieldwork to establish

the horizontal and vertical coordinates of the control panels was continued

in the winter and spring of 1978. After receiving the ground control

data, the contractor measured the cross sections from the aerial photography.

The data furnished by the contractor was in the form of punched cards

which were ready for computation by automatic data processing.

Underwater Surve

The underwater portion of the reservoir resurvey was done by Bureau

personnel in May and June 1978. Measurements of depth were made at

Ranges 1 through 10, 40, 50, and 51. The remainder of the sediment

ranges were either dry at the time of the aerial survey or were surveyed

using conventional land surveying techniques.

The fieldwork for the underwater survey was performed in two sessions.

In general, the first session was used to prepare for a smooth, efficient

operation when the actual underwater measurements were made. This

session was used to assemble and check out the equipment for the underwater

measurements. The boat and Electronic Distrance Measuring Device (EDMD)

were operated for familiarization. The sediment range lines had been

located and marked by field personnel prior to the aerial photography.

Since these markers were located on the top of bluffs overlooking the

reservoir, it was necessary to establish a point on line near the edge

of the water for use as an instrument station when the underwater measurements

were made.

The second session consisted of profiling the underwater portion of the

sediment range lines. The water depths were measured with a boatmounted depth sounding device that operates on the sonar principle. This

instrument, supplied by the sedimentation section of the E&R Center,

prints a continuous trace of depth as the boat travels across the water

surface along the range line. A vertical line is drawn on the chart on

command to mark distances, scales, etc. and handwritten notes may be

entered on the chart to aid interpretation. Distances along the range

line (offsets) were measured using an Electronic Distrance Measuring

Device (EDMD). The instrument used for the Fresno Reservoir resurvey

was chosen because it could be operated in a dynamic or tracing mode

3
and also because it provided for voice communication between the stationary

and mobile units, or, in this case, the shore station and the boat.

The procedure used in profiling the underwater portion of each line was

as follows:

The stationary unit of the EDMD and a transit were located on the

range line on the right bank and as close to the edge of water as

practical. The flags set during the preliminary session were used

for references. The distance along the range line (offset) to the

edge of water was measured with a tape. The first few shallow

underwater measurements were made by sounding with a level rod and

the offset distances measured by tape from the reference flag. The

boat containing the sounding gear and dynamic part of the EDMD was

located on-line by transit and the EDMD and depth sounder turned

on. With the electronic instruments functioning, the boat was set

in motion and proceeded across the reservoir at a moderate rate.

The boat was kept on-line by the transit operator communicating

with the boat operator by voice through the EDMD. The EDMD operator

on board the boat monitored the distance the boat traveled and

informed the sounding operator to mark the chart at the appropriate

points. When the boat reached the left bank, any needed shallow

measurements were made by sounding with a rod and the distance to

the left range marker measured by tape. This last distance measurement

was made to check the distances read by the EDMD.

4
RESERVOIR AREA AND CAPACITY COMPUTATIONS

Data Preparation

As discussed previously, cross section data were obtained from two

different sources, aerial photography and sonar readings, which were

taken at different times. These data had to be combined to obtain

complete cross sections. This combination of data was accomplished in

the following manner.

At the time the aerial photography was done, October 1977, the water

surface in Fresno Reservoir was at approximately 2547.0 feet. The

following spring when the sonar readings were taken the water surface

had risen to approximately 2570 feet. Because of this difference in

water surface, offset and elevation data were obtained by both methods

for approximately 23 vertical feet. This overlap of data offered a

means to compare the data and insure that the data sets were indeed

compatible. The cross section data taken by both methods were plotted

to the same scale on separate sheets. Separate sheets were used because

the field data were measured from different datums, or zero, for offsets

and from opposite sides of the reservoir. The two plots for each range

were superimposed or overlaid for comparison. In all cases, the slopes

on both sides compared quite closely with only small variations in

individual segments. The distances across the reservoir, as indicated

by the two sets of data, varied slightly, generally 1 to 2 percent.

These minor differences can be explained by the fact that the measurements

may not have been taken on exactly the same line. It is also possible

that the elevations determined from photographs taken when the soils

were dry may differ slightly, due to shrink-swell factors, from those

determined by sounding when the material was saturated. Since the

differences were minor, the data were accepted. The data from the

underwater survey were used to complete the cross sections at each

sediment range.

Cross section data were provided between the sediment range lines at

even 500-foot stations by the aerial survey contractor. The underwater

portion of each intermediate cross section was completed graphically

using the upstream and downstream ranges as a guide.

Plots of the complete sediment range cross sections are shown in Figures 5

through 52.

Elevation-Area-Capacity Computations from Cross Section Data

Cross section data were used to compute areas and volumes at 1-foot

elevation increments. The computations were performed on a digital

computer using Program 268, Elevation-Area-Capacity Tables, written by

personnel of the Division of Data Processing, Mid-Pacific Region, Bureau

of Reclamation, Sacramento, California. This program uses the doubleend area method to compute the volume between two planes, the end areas

being the horizontal areas of segmental water surfaces derived for

particular increments of elevation. The area of the water surface

between two cross sections at a given elevation is computed by calculating

5
the width of the water surface at the two stations (obtained from the

cross section data) and multiplying the average of these widths by the

distance between the two stations. Incremental volume is obtained by

averaging the area at consecutive elevations and multiplying by the

elevation increment (1 foot in this case). The areas and volumes between

each set of cross sections along the centerline are accumulated to

provide the complete table.

The cross section data for Fresno Reservoir included several sets of

cross sections taken normal to the centerlines of several tributaries as

well as the main reservoir and river.

Computation of Final Elevation-Area-Capacity Tables

The final elevation-area-capacity tables in 1-, 0.1-, and 0.01-foot

elevation increments for Fresno Reservoir were generated using the

Bureau of Reclamation computer program ACAP. The elevation-area data

generated by Program 268 at 1-foot elevation increments were used as

input to program ACAP. In ACAP, respective capacities and capacity

equations are obtained by integration of the area equations defined by

the input data. The initial capacity equation is tested over successive

intervals to check whether it fits within an allowable error term. This

one equation is used over the whole range that fits within this error

term. At the next Interval, a new capacity equation (integrated from

the basic area equation over that interval) begins testing the fit until

it too exceeds the error term. The capacity curve thus becomes a series

of curves, or splines, each fitting a certain region of data. The final

area equations are obtained by differentiation of the capacity equations.

Capacity equations are of the form y a1 + a2x + a3x2 where y is the

capacity and x is the elevation above an elevation base. A sufficientl.y

small error term was selected for this application such that the generated

area and capacity values differed from the input calculated by Program 268

by less than 1 percent.

The final elevation-area values are shown in Tables 2 and 3 for 1- and

0.1-foot elevation increments, respectively. The elevation-capacity

values are shown in Tables 4, and 5 for 1-, and 0.1-foot elevation

increments, respectively. Areas and capacities were also computed at

the 0.01-foot increments but are not included in this report. The areacapacity curves are shown on Figure 53.

6
SEDIMENTATION ANALYSES

Sedimentation Accumulation

Sediments have accumulated in Fresno

25,665 acre-feet at elevation 2575.0

the dam was built over 38 years ago.

rate of 663.2 acre-feet was computed

Sediments from the drainage area wer

foot per square mile per year.

Reservoir to a total volume of

feet, top of spiliway crest, since

An average annual accumulation

for the period since closure (38.7 yrs).

deposited at a rate of 0.214 acreThe original elevation-area-capacity tables for Fresno Reservoir, dated

1953, are based on preconstructiori (1934) data. The 1978 resurvey is

the first evaluation of sediment accumulation in Fresno Reservoir. In

several of the figures and tables that follow, useful comparison between

the resurveyed and original reservoir is precluded by the lack of original

survey data. In Figure 54 the original area-capacity curves are plotted

against the 1978 resurvey curves. This plot is useful in visualizing

the total loss in capacity at various elevations.

It should be noted that these sediment accumulation values are obtained

from comparison with the original capacity tables. These original

tables were based on areas planimetered from 5-foot interval contours.

However, the original topographic maps could not be located and their

accuracy or detail is unknown. Sediment samples were not taken at the

time of the 1978 sediment resurvey. The absence of this data limits the

conclusions that may be drawn from the available data.

There are only scattered sediment load data for the Milk River above

Fresno Reservoir and accurate prediction of sediment yield is not possible.

However, a memorandum from the Chief, Sedimentation Section to the Chief

of the Hydrology Branch, E&R Center, dated February 21, 1968, Subject

"Safety of Dams - Fresno Dam Tailwater - Milk River Project, Montana,

Examination of Existing Structures" contains an estimate of 0.20 to

0.35 acre-feet per square mile annually, or approximatley 550 to 1,000 acrefeet per year inflow to Fresno. The total sediment accumulation indicated

in this study at elevation 2575.0 feet, spillway crest, is 25,665 acrefeet or about 663 acre-feet per year. At elevation 2580.0 feet, 0.65 feet

above the maximum observed water surface, the rate is about 760 acrefeet per year. Both of these values are well within expected limits and

give credence to the results.

Sediment Distribution

In Table 6, the results of the sediment distribution computations are

surmuarized. These values show a significant sediment accumulation in

the reservoir over the years, and show that a large part of the sediment

is deposited in the active conservation pool (below elevation 2567.0 feet).

Figures 55 through 57 aid in describing the distribution of sediment

within Fresno Reservoir. Figure 55 shows the depth-capacity relationship

for Fresno Reservoir. Calculations indicate that a portion of the

points fit the Type I (lake) range, a portion fit the Type II (floodplainfoothill) range, and a portion fit the Type III (hill) range. A plot of

7
the thaiweg profile is shown on Figure 56. Without original profile

data, no useful comparisons can be made. However, it appears from the

data present in Table 6 that over 25 percent of the sediment has been

deposited between elevations 2568.0 and 2574.0 feet (miles 10 and 12).

Figure 57 shows a plot of percent depth versus percent sediment deposited.

Data for the plot was taken from Table 6. The total depth was taken as

the depth from the maximum observed water surface (approximately 2580.0 feet)

to the streambed at the face of the dam, determined from the 1978 resurvey.

As may be seen from Table 6, the sediment distribution is fairly uniform,

with the greatest accumulation in the active conservation pool. The

accumulation in the upper, or active, part of the reservoir is explained

by observing the cross sections in this portion of the reservoir.

Although the reservoir is narrow in relation to its length, the increase

in cross sectional area in this region is sufficient to reduce inflow

velocity and allow sediment deposition. The lower portion of the reservoir

may be less impaired because of the high accumulation rate in the upper

portion of the reservoir and may benefit from a slight flushing action

near the outlet works.

Reservoir Sedimentation Summar

A summary of the reservoir sediment data for the 1978 survey is contained

in Table 7. The data include a tabulation of incremental sediment

inflow volume and sediment accumulation computed for the periods between -

1939 (original) and the 1978 resurvey. These data and other information

in the table are valuable for future surveys and other reservoir sediment

investigations. The capacity of Fresno Reservoir at elevation 2575.0,

the top of the joint use space, is 103,397 acre-feet. This is approximately

20 percent less (25,665 acre-feet) than the original capacity. The area

at this elevation is 4,878 acres, a reduction of about 15 percent

(897 acres) from the original area. Table 8, Reservoir Capacity Allocations,

shows the allocations of the storage space in Fresno Reservoir as a

result of the 1978 resurvey.

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PRESNO RESERVOIR SEDIMENT RESURVEY

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1 4 4 4
S

RESNO RESERVOIR SEDIMENT RESURVEY

RANGE 4

GROUND PROPILE FTOR SECTION 10874

C)

CD

(N

C)

(N

(0

(N

C)

LLJ

Li

I-

-z C)

OD

L.JU

\J

CE

>

Li

C)

CD

(N

C)

CD

(N

C)

(N

CD _______ _______ _______ _______ _______ _______ _______ _______ _______ _______

(N

r

00 1000 1500 0G 3000 3500 4000 4500 5000 5500

DISTANCE - PEET

Figure 8 - Sediment Range Profile - Range 4 (1978)

I i: ± . __

- L
TRE5NO PSSEPVCIP SEDJMENT R55UPV5Y

P\HNGE 5

(fl Ifl fl'r L E

\UbHU :u Ib U\ UL1 IU N i IUi

-fi

NJ

NJ

NJ CD

0

H- c

CL CD

LU

CD

NJ

CC

CC

Ui

Ni

flfl -:- jU ) UU) I JJU

n C m fi fl'

U U I L L I

Figure 9 - Sediment Range Profile - Range 5 (1978)

J CCJ

• T
r

('Ifl (rrrr-\pE rmrr ErE

u : v u b JE Li I

r:Th2:, c

r' m (- r T r Em. C CE C I CC C'

JLLJmJ r u iE.Li U L

N)

cj

(N

C)

(-'3

C)

(N

Lj,j

Cl)

E c

(Cl (;)

C2

(N

Lr

C')

CU

Cli

-

- /

-

±

__ __

3

l

fl 'C )flC C 'CC C

D5TPNCL - PELT

Li

Figure 10 - Sediment Range Profile - Range 6 (1978)
rF5NU PSSRVOR SD[MENT R5URVE1

RANGE 7

GPOUND PFOP[LE FO SECT[ON 19973

--- ---------------------- ---- ---- ----------- - ------------ ------ -

_ - __ _

3,a *-. ,*

- -1

-----t-----

L

U _______

- / \ /

C) /

/ H-'

UT

c.o_ -

_______

j

L' - ______

/

- --- ---- -

----------- ----------- - ------ ---- ----------- - ----

(N

----.----------- __

C)

_______I -

_______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ _______ ______

- r

------- W-a__4.. ,__ ..a.. .___4w, !nlwfl. . _ _4m frng.aan.a.1 . _.__ .. A.._-.

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2O0 2600 2800

D1'3TANC - FEET -

Figure 11 - Sediment Range Profile - Range 7 (1978)

4 4 4 4 4
I

I $

F'RESNO PESERVOfR 5LDMSNT RE5URVSI

RflNGE 8

r <u

)r'(- r

L

nrr c'r'Thr r

r(m ''7 u JUL i Lu

_

CD

Co.

(0

CD

0

C

(C

Li

C

(C(NJ

CD

,_ -4

E- CD

Li

U)

C.

CD

(0

(NJ

C)

r.'J

fl_a ___- - - - -__ -

______ L -

:coo 2DO 3000 3000 4000

DJ5TAN[TE - PElT

Figure 12 - Sediment Range Profile - Range 8 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 8A

GROUND PROPILE P0k SECTION 23719

D

(0

(0

0

(0

(0

0

cc,

Li

Li

0

(N

(0

(N

cEO

>

Li

Li

co

(N

0

(0

(N

(N

n 500 1000 1500 2000 2500 3000

DISTANCE - PEET

Figure 13 - Sediment Range Profile - Range 8A (1978)

3500 4000

F 4 4 3 4
ft I 4 I

*

PRESNO RESERVOIR SEDIMENT RESURVEY.

RANGE 9

GROUND PROPILE POR SECTION 25918

(0

(0

C

(C

(C

(N

C

(C

Li

LL

(N

(0

(N

2:

I,

Ec

> c\

Li

-J

Li

CD

co

Lt)

(N

CD

(0

(N

CD

U)

(N

7

__ii- 1i ±i 1i>I

U 2flfl 4nn nn nn innn inn iinn inn ono nnn __

DISTANCE - PEET

2U00

Figure 14 - Sediment Range Profile - Range 9 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 10

GROUND PROPILE POP SECTION 29188

_

C)

C)

(N

C)

Co

CD

(N

C)

CD

CD

(N

LLJ

t.- (N

LJ(D

C")

>C)

LJC)

JCD

Li

C)

Co

(N

CD

CD

U')

(N

C)

C")

__ __1±1 liii: I IIII

=

__ _ _

- I - - ----r - -

r i r r uu uuu uu 2000 2500

DISTANCE - PEET

Figure 15 - Sediment Range Profile - Range 10 (1978)

3000 300
I I *

PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE I I

GROUND PROPILE POR SECTION 32079

D

LiJ(D

LJ

aCD

(C

CD

(N

(N

CD

CD

(N

CD

co

(C

(N

CD

cECO

>CN

Lii

LJcD

(0

(N

CD

(0

(N

CD

(0

(0

(N

CD

(0

(N

U 5UU 1000 1500 2000 2500 3000 3500

DISTANCE - PEET

Figure 16 - Sediment Range Profile - Range 11 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 12

GROUND PROPILE POR SECTION 36063

Q

C

co

(0

Li

Li

(0

Ic'J

C

C')

C')

ci

CD

C')

D (0

cEcD

>C'J

Li

ci

C

(0

C')

ci

(0

C')

ci

U)

C')

C

C

uJ

C')

0 500 1000 1500 2000 2500 3000 3500 4000

DISTANCE - PEET

Figure 17 - Sediment Range Profile - Range 12 (1978)

V * I I *
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 13

GROUND PROPILE POP SECTION 39936

C

C

N.

C

(0

(\J

C

LJ(D

aC

(0

D

cro

>"

Li

-Jo

(0

C

o

(U

C

(\)

0 500 1090 1500 2000 2500 3000 3500

DISTANCE - PEET

Figure 18 - Sediment Range Profile - Range 13 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 14

GROUND PROPILE POR SECTION 43152

0

CD

(N

c

(N

CD

CD-

(N

C

co

(0

Li

LJQ

(0

(N

cEc

>(N

Li

CD-

(0

(N

CD

LID

(N

CD

(0

U•)

(N

CD

U

11

(N -- I

0 200 IOO 600 800 1300 1200 1'lOO 1600 1800 2000 2200 2'lOO 2600 2800 3000 3200

DISTANCE - PEET

Figure 19 - Sediment Range Profile - Range 14 (1978)

1 ( 4
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 15

GROUND PROPILE POP SECTION 47447

(-j

IIii. 4 :izii

i L:iiI III II

_

:i1 11J114 1ii iii

____r: i : r r ____

CD

(N

(N-

(N

CD

CDNCD

co

CD

Li

LJQ

L o

(0

cJ -

(0

>c'J.

Li

CD

CD.

(0

(N

CD

co.

LID

CD

(DUD

(N

CDUD ______ ______ ______ ______ ______ ______ ______

(N - 0 500 1000 1500 2000 2500 3000 3500

DISTANCE - PEET

4000 4500 5000

Figure 20 - Sediment Range Profile - Range 15 (1978)
PFRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 16

GROUND \J i_' POP SECTION 51552

C

(N -

(N

(N

C

(U

(N

Lic.

(U

- C) cD(0

> C) Lii

Lii

C

C)-

CC

(N

C

(0

If)

(N

C)

(C

(N

J 1000 15r L'JU '500 3000

DISTANCE - FEET

Figure 21 - Sediinent Range Profile - Range 16 (1978)

3500 l

uuu

I I
S

PFRESNO RESERVOIR SEDIMENT RE5URVEY

RANGE 17

Inn flflL T C'flp flT flI L[ 3' \3UHLJ U I u

1--'_-,_j___ - ___

i it TI I: II

4 H ---

•IUU flLiu DUU juj 11JJ i'jijU IbUJ 1JUU 2OJ 2200 2400 2600 2600 3000 3200

DISTANCE - FEET

Figure 22 - Sediment Range Profile Range 17 (1978)

CD

(N

(N

c

(-N

CD

(ID

cc

(N

Ui CD Lice

Lice(N

CD

(N

ci:

- CD Li

C)

CD

cc

C)

Co

(3

cc

Co

(N
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 18

'flP GROUND PRUPL r U\ 3L1 uN 57827

C)

C)

Co

(C

(N

C)

(C

c-C

(N

Li

Li

C)

(C

(N

CD

> (N

Li

r

LU

C)

C)

(C

(N

C)

Cx)

(C

(N

C)

(C

(C

(N

0 0O UU) 2000 2500 3000 3500 4000

DISTANCE PEET

Figure 23 - Sediment Range Profile - Range 18 (1978)

4500

S
S S S I

PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 19

GROUND PROPIUE POP SECTION 61O2

t

1 I T ZILIII IJI I 1111 1I111

,

D

Co.

CO

(N

(0.

(C

(N

LLJ(D

Co

>

Lii

LL]cJ.

(0

(N

Coin

(N

D

Co

in-

(N

'-I 200 400 600 800 1090 1200 1400 1600 1800 2000 2200 2400 2600 2500 3000 3200

DISTANCE - PEET

Figure 24 - Sediment Range Profile - Range 19 (1978)
PFRESNO PESERVOIR SEDIMENT RESUFRVEY

RFINGE 20

GROUND PROPIbE POP SECTION 64545

----- --------------------------

D

0

co

(0

r\J

0

(0

c0

C\J F-i

Li

Li

0

(C

(N

d

F-i D

>(N

Li

Li

0

0

(0

(N

CD

Co

(N

C)

(C

c'J

- --..-- ---.

• __

/

--.---,--±--.-

0 500 1005 1500 2000 2500 3000 3500 4000

DISTANCE - PEET

Figure 25 - Sediment Range Profile - Range 20 (1978)

S *

4500 5000
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 21

L)

(0

'-C

D

(C

'-C

Li

Li

(N

-

Fc

>c\J

c-il

LI

CD

(0

(N

C)

(0u)

(N

C)

(0

c'i

GROUND PROPILE POP SECTiON 69438

T I

i:ii II: :iiii

• _ T •

-__ _

500 1000 1500 2000 2500 3000 4OU

DISTANCE - PEET

Figure 26 - Sediment Range Profile - Range 21 (1978)

15CC
PRESNO RESERVOIR SEDIMENT RESURVY

RANGE 22

GROUND PRO1LE POP SECTION 71290

C)

C) _____________________________ _________ _________ ___________________

C)

(0

(0

(N

C)

(0

_____ _____ _____ _________ (0

LU

Li

C)

F- C)

>

LU

[U

C)

C)

(0

CU

C)

(0

Lfl

CU

C)

(C

(0

c'J

5Cr rr 1500 2000 2500 3000

DISTANCE - PEET

Figure 27 - Sediment Range Profile - Range 22 (1978)

3500 4000
FRESNO ESERV0IR SEDIMENT RESURVEY

RANGE 23

GROUND PROFILE POP SECTION 75304

D

CD

C

CD

(N

cD

CD

(N

L4JC

LL

.---3 (N

>C

L1 c

LJ

Lf)

C')

C

U)

(N

U). _____________________________

0 500 1000 1500 2000 2500 3000 3500

DISTANCE - FEET

Figure 28 - Sediment Range Profile - Range 23 (1978)

________--

*-

L _ _

j
PRSN0 R5ERV0IR SEDIMENT RESURVEY

RANG24

GROUND PROrILE roR SECTION 78950

CD

(0.

(0

CD

(0

0

(0

0

LL)-0

(.0

rn(0

C")

Lii

-JO

C')

C')

CD

CD.

L1)

C')

C)

LI).

-*------- ----- -

I I

I ___

Ii _____

II Ii II1IT1I 11 111 IiIJ7t

z

I __

500 1000 1500 2000 2500 3000 3500 4000

DISTANCE - FEET

Figure 29 - Sediment Range Profile - Range 24 (1978)

4500 5000 5500
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 25

GROUND PROPILE POP SECTION 82051

D

Q

CU,

(0

('3

CD

(U.

(U

Li

Li

CD

(0

(N

z

D

'4

ci: .

>

Li

-j

Li

CD

CD.

(0

('3

CD

Lfl

('3

CD

(U

L1)

(N

0

I I

___ ___ ___ ___ ___ ___ ___ ___ ___ ___ . 1. ___

500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500

DISTANCE - PEET

Figure 30 - Sediment Range Profile - Range 25 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 26

GROUND PROP ILE FOR SECTION 85796

C)

(C

(C

(N

C

Lr

(r

C

c

LJc

U

C

'(N

(C

ci

>c\

Li

LJc

(C

(N

C)

O)

U)

(N

C)

co

(N

C)

U)

(N

IIIIITIIiIliii I IT11±

_

0 500 1000 1500 2000 2500 3000 3500 4000 4Sf

DISTANCE FEET

Figure 31 - Sediment Range Profile - Range 26 (1978)

0
FRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 27

GROUND PRorILE POR SECTION 88962

• - -----

I:EE:I I

o 500 1000 1500 2000 2500 3000 3500 4000 4500 501

U)

(U

(N

0

(C

(N

0

(U

(N

LJcD

LLJc'

ZD

>0

LJ

LU

0

a)

U)

(N

0

(C

U)

(N

0

(N

DISTANCE - PEET

Figure 32 - Sediment Range Profile - Range 27 (1978)
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 28

GROUND PROPIbE POR SECTION 92052

L!)

-4

(0

C0

If)

C)-

(0

Li

Li

Li C)

0

(U

('a

z

D

E--4Ln

>c'

U

Lii

C)

C)-

Lfl

if)

U)

(N

C) Cr)

Cu

0 500 1000 1500 2000 2500 3000 3500

DISTANCE - FEET

Figure 33 - Sediment Range Profile - Range 28 (1978)

__ ___ ____

t

t

i __ __ ________I i

_ __ -__ __ .1

4000 4500
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 29

GROUND PROPILE POP SECTION 9S45

U,

CD

(0

Co

(\1

(0

r'J

CD

(N

(0

(N

Co

(0

Lii

z Co

CD

0)

U)

(N

Co

(0

Co

(N

CD

co

Co.

I I

__ 111111 _

1 *_/ H -

HE

-!__

I

-

_

I I - - - 1

0 200 400 6CC 600 1000 1200 1400 1600

DISTANCE - PEET

Figure 34 - Sediment Range Profile - Range 29 (1978)

1800 2000 2200
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 30

GROUND PROPILE POR 'Tfl 98904

cD

(U.

(U

(N

Lfl.

(0

(N

cD

(C

(N

Lic

U v.

-I

LU

C)

c-C

(N

cJ

O.

L)

(N

C)

C)

C J I I

100 dr'r 200 300 500 600 700

DISTANCE -

Figure 35 - Sediment Range Profile - Range 30 (1978)

iiIi ii 11111iii II iII i± __

I T111 1_1111111 1II II 11111

II _ __ ___ __

s6o a 1000

4 4
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE 31

GROUND PROPILE POP SECJION 102135

'-C

O)

L()

(N

O)

if)

(N

(N

O).

(N

LJc3

LjJO).

::: cc

c- L)

(N

a:

>i:c LI o

(N

if)

(N

(N

CCif-)

(N

cD

Co

If) -

(N

'a

TI_._k- _

r

:.-t

-L _____

---.----

______ __

C0 300 400 5CC 600 700 800 900 1000 1100 1200

DISTANCE - PEET

Figure 36 - Sediment Range Profile - Range 31 (1978)
F'RESNO RESERVOIR SEDIMENT RESURVEY

RANGE 32

GROUND PROrILE POR SECTION 106220

C,

0.

(0

0)

0)

U)

(N

a,-

LiD

(N

LiD

(0

U-,

c ,-

>0-).

Lii 'U-' (N

C')

C).

(N

(N

C).

(N

U-)

(N

C,

0)

_____ __

____________-i- F

____ ____ ______ _______ _ ______ I______

iiii: t7 __

r

lTf

________ LH_

_

0 200 400 609

_

800 1000 1200 1400 1600 1800 2000 2200 2i00 2600

DISTANCE - PEET

Figure 37 - Sediment Range Profile - Range 32 (1978)

2800 3000
I 4 p

F1RESNO RESERVOIR SEDIMENT RESURVEY

RANGE 33

GROUND PROPILE POR SECTION 111070

cJ

(0

U.)

O)

U.)

("3

Li

Li

(Th0) L/ U.)

>

Li

Li

Li

U-)

aD

U-)

("3

CD

(0

("3

0

Figure 38 - Sediment Range Profile - Range 33 (1978)

500 1000 1500 2000 2500 3000 3500 4000 4500

DISTANCE - PEET
PRESNO RESERVOIR SEDIMENT PESURVEY

NE Afl

\ I3L IU

n 'r-r T rTh rn SuUNLJ IL r UP JE iuN U

c'J

C) (NJ

(N

LJ

0

c-,

Li

Li

(N

(N

CT)

(NJ

(NJ

I

__ _

-

///

5 fln I 555 1

flfl 2555 rflfl flflfl 35 flfl 4000 4500 50 00

DISTANCE PEET

Figure 39 - Sediment Range Profile - Range 40 (1978)

I

I I
PRENO RE5EPVOI 5[DMNT RELJVEY

L:; t

flfl fl 'r'T 'j' CCflTTfl bLHU I L r U i I U'

Ui

_ _ _

/

_ _ _ _

- /7

__ _- _

4flfl flfl Rflfl lflflfl l7flfl l4flfl lRflfl ii

C)

Cc)

CD

Cc

(N

CD

(NCc

C)

-4

CC

LU

LJc

Li CD

CCrj

C)

C)

CD

CD

C)

(N

U)

CD

DISTANCE - PELT

Figure 40 - Sediment Range Profile - Range 41 (1978)
PPESNC RESEFIVOIP SEDIMENT RESUPVEI

A ) Ii 42_

5ROUND PROPILE POP SECTION C

(N

LU

(N

CD

(U

c'J

F-i CD

Li (c

Ui

ZCD

(

E-H

CE

Li

uJ CU

CU

(N

CD

LU

(N

CD

(U

U'.-

(N

100 20u ,UJ 400 500 500 700 500 900 1000

DISTANCE - F'ET

Figure 41 - Sediraent Range Profile - Range 42 (1978)

1100

F
PRE5NO PESERVOIP SEDTNIENT PE$UPVEY

Li ILL u

- -' - fl-, r-' '- GRULNU PRO fl ILL r uP

C)

C

cc

(N

c

0

L

C

cc

LI

N

Li

Li

UU.

N

UN

z

C)

>

Li

Li

Li

C

U)

C

(N

C

LI)

flU

C

CU

I I ]I

-__

_

J

_

I

O 500 1000 15 00 2000 2500

__ _

DISTANCE - PELT

0O0

Figure 42 Sediment Range Profile - Range 50 (1978)
PREONO REOEPVOIR SEDTMNT PESURVEY

CT1

, I

- rm ' r- n ' fl T ' r-' (' 1' T

uuLll Jr iL TOP Li 249

C)

(N

(N

C)

(C

CT)

C)

(N

- C)

LLJU

CT)

CO

C)

CE /

0 00 200 300 400 500 700 800 000 1002 1100 1200 1300 1402

DOTANOE - PLET

Figure 43 - Sediment Range Profile - Range 51 (1978)
I

t

PRESNO RESERVOIR SEDIMENT RESURVEY

flflflfl

nfl' ' N fl n n n T fl ç- - n r-' - N :- n - -

uUHU rur ILL L DLJJ

LJ

cJ

HR

Li

LI

UCD

HR

U-

(0

iuu 300 400 000 000 700 000 000 1000 100 1200 1300

fl T ('mn 'C' Erm U3IfliLL - I [U-UFigure 44 - Sediment Range Profile - Range 52 (1978)

L

I1

C

C

Li
PRESNO RESERVOIR SEDIMENT RESURVEY

RANGE GO

GROUND PRDEILE POP SECTION 0

CD

aD

'U

(N

C

Co

cc

cN

Co

'-C

LU

LU

CD

(N

(-C

(N

z

D

>\J

LU

Li

Co

(0

(0

(N

Co

Co

Co

(N

CO

(0

(N

_

/1

_ _ _

0 200 40 0 S0 0 800 1000 12 00 1400 1500 1500 201

DISTANCE - PELT

Figure 45 - Sediment Range Profile - Range 60 (1978)
I S I I

PRE5NO PE5EFRVOIR SEDIMENT RESURVEY

RANGE 61

CflflT fl 'flr

3UUU I \JI I b i I U

(1:)

(-Si

c

cc

cc

U.-

LU

LJ

z

Ui

0

0

0

0

Co

U)

0

Co

C\j

_

1

__ _ _

9 100 200 4fl0 9nn flfl Th(- lflI

D5TANCE - PEST

Figure 46 - Sediment Range Profile - Range 61 (1978)
PRESNO RESERVOIR 5EDTMENT RESURVEY

RANSE 62

GROUND PEOrILE POE 5ECTIC 5355

C)

C)

(N

CD

Co

C)

(N

Co

'0

CD

H-i (N

LL

C)

In

C)

(N

U

C)

CD

in

IN

C)

(0

tf)

(N

C)

If

Li) -

I-')

fl

U 100 200 009 400 500 800 700 800 300 1090 1100 1202 1300 1400

DISTANCE - FEET

Figure 47 - Sediment Range Profile - Range 62 (1978)

t ft p
* 1

1

PRESNO RESERVOIR SEDIMENT RESURVEY

ThThpIflfl r\hNE.. /U

OFROUND PROF ILl POP SECT iON 0

CD

C)

c'J

C)

C)

(\J

- C)

I:- (

Li

C)

C)

D

C)

(LUD

LL

Li c

CD

LiD

(N

C)

CD)

C)

(N

CD

CC

CD)

(N

7:

_

_

___ _

0 200 400 000 800 1000 1200 14 00 18 00 1800 2000 2200 2400 2800 2800 301

DISTANCE FEET

Fi2ure 48 - m-f- P,zrnc •lfl I1c7O\
PRESNO PESERVOIP SEDJMENT PESURVEY

PPNGE 'i

fl Im (Th r' fl Th ( ' T' T fl __ J IL u L uN

0'

0

cD

(N

CD

(N

CD

CD

N.

CD

co

C

(C

(C

k--I

Li

- CD

(N

C

CD

(C

(N

CD

C

C

(N

p

C

C

/1

0 10 0 200 400 000 nn 700 flfl 000 0nn inn 12

DISTANCE PEEl

Figure 49 - Sediment Range Profile - Range 71 (1978)

I

I
PRESNU RESERVOIR SEDIMENT RESURVEY

RANGE 80

GROUND PROFILE TOP SECTION 0

CD

CD

(N

CD

CO

CD

CD

CD

(C

Li

Li

Li

CD

CD

CC

z

CD

H C)

Li

LCD

CD

CD

CC

CD

CO

(N

CD

(C

CD

0 000 Rnn Rflfl iflflfl i4 flfl S flfl 1Bfl 2O

DISTANCE - PELT

Ficmr 90 - S-Hmrnf- Prnf11 - 1,or SI) (1Q7S'
PRESNO RESERVOIR SE1IMENT RESURVEY

RANGE 90

GROUND PROFILE PR SECTION 0

CD

(N

CF

'-C

0

(C

LJLn

LJcy,

a)

>

fl

LJ

CD

0)

(N

CF

N-.

CF

(N

CD

(N

- -H ___ _ _______

± __

- i _ _ _ _

__ ______

O 200 40 0 600 000 10

_

00 1200 14

_

00 16

_ _ _

00 1600 2000 22

_

00 24

_ _

00 20fl 2A

_

00 Of

DISTANCE - FEET

Figure 51 - Sedent Range Profile - Range 90 (1978)
--

- i

PRESNO RESERVOIR SED I MENT RE5UFRVEY

RENSE 100

GROUND PPGILE POP SECTION 0

C-:)

LU

C

(-C

LU

U.

LU

U.

0

ft

CD

cD

0

f-i

>0

Li

CD

LU

U.

C)

CD

(C)

U.

CD

0i

LU

U.

CD

Co

LU

U.

_ _ _ ________ ______ /

____

- ______ _____ ______ ___

'-I - ____ --____ -__ ____ -___ -___ ____ ____ ____

_____ ___ ______

O 200 400 000 800 1000 1200 1400 1800 flflD 77flfl )41

- PPT U I i I

Figure 52 - Sediment Range Profile - Range 100 (1978)
AREA-bOO ACRES

0 I 2 3 4 5 6 7

2600 .

-

_Mgmu Water Surface EL 2592.93 -

2590

Surcharge, /25,83/ acre feet

2580 -

- - cILELZQ_-

2570 - F-32,&02 acre feet

• - gp_pLa.cJiy.e_osvoikri, FJ-237()

2560 ,_ Active storage

70, 05! acre feet

t

Id

Li.

I 2550 K).

2

>

Id

-j

Id 2540

8 9 0 Ii 2

04

U 04

C

NOTES

Area and capacity data from 978 survey.

This drawing supersedes Drawing N X-D-769.

Crest of dam, El. 2596.1

2530 7

Top of dead storage, El. 2530.0, and trarack structure sill

Storage, 544 acre feet

/

Area, 275 acres

- bead storage 544 acre feet

2520 . -

I I I I I I I I I

0 20 40 60 80 00 20 40 60 80 200 220

CAPACITY- 000 ACRE FEET FRESNO 1978 DATA

240 260

Figure 53 - Area and Capacity Curvec

I , I
N S V

__________

__________

________________

2600 AREA-I000 ACRES - 2600

9 8 7 6 5 4

I I I I

3 2 I

I

2590 2590

2580 2580

2570 2570

qp

_

'\

U

2560 2560

U

U- U

z I

0 Z

2550 0

2550

U

_J U

U

U

2540 25-40

2530 2530

2520_ I I I I I 2520

0 20 40 60 80 00 20 40 160 80 200 220 240 TED CrATES PA S flMENT or flit INTERIOR

BURIAII OP RECLAMATION

CAPACITY-bOO ACRE FEET PICK-SLOAN MISSOURI BASIN PROGRAM

M/LKRIYERFOJECT MAR/AS-MILK UNIT-MONT

FRESNO RERVOiR

ORIGINAL 8 /978 AREA ICAPACITY

DESIGNED 4 FIELD APPROVAL

DRAWN MfJ___ TECHNICAL PflOVAL

CHECREO_LL$LO_P__ APPROVED

8ILLINGSMONTANA JUC483 5-600-125

Flgare 54 - Original and 1978 Area and Capacity Curves
100 -

Type

(I-li/i)

- m- 2.1891

----------------------------

I.-

-Type

(Flood Plain- Foothill)

io - m2473/

- I

0

w - I

-

- '-TypeI

- (Lake)

- m3.O9I7

-

I I I 111111 I I I 111111 I I tiiitl I I I 111111 I 1111111

0

02 o ________________________________

UØVS TIIIflK SAfETY

CAPACITY (ACRE FEET) UNTED SlATES

DEPARTMENT OP THE INTERIOR

PIC-SLOIYSOU1%SIN PROGRAM

MILK RIVER PROJECT MARIAS-MILK UNIT-MONT

FRESNO RESERVOIR'

OE$1ND R.EiI. - TItLE APPROVAL __________

DRAWN MEJ----- TECHNICAL APPROVAL.__

CHECKED --------- APPROVED________________

WILL/NOD MONTANA JUNE 15-60Q- 45

Figure 55 - Reservoir Depth - Capocity Relotfonship
t e

2580 -

Max. W. S. El. 2579.35 ft (April 3, /952)

2575

2570

Topofoct,ve conservation El. 2567 0

-

2565

w

Cl) 2560

555

I..-

2550

2545 /978 SedIment Survey Data

2540

w

-J

2535

2530

I 2 3 4 5 6 7 8 9 10 II 12 13 4 15

DISTANCE IN MILES

Figure 56 - Longitudinal Profiles
---------

100

Actual

80

Type I

60

NOTES

/978 Sediment Survey Data

pe.Iff Hr Total Depth = 54 Feet

I- (El. 2580)

40 - - Max Observed

WS. El. 2579.35

(April 3, /952)

20 -

- I

20

I I I J

40 60 80

i I

100

PERCENT SEDIMENT DEPOSITED

ADD Typ.I11pfl, lyp. III

UNITED STATES

DEPARTMENT OF THE INTERIOR

BUREAU OF RECLAMATION

PICK-SLOAN MISSOURI BASIN PROGRAM

MILK RIVEft PROJECT MARIAS-MILK UNIT-MONT

FRESNO RESERVOIR

DE$I$NEO 1E1_ -- FIELD APPROVAL. -

DRAWN - TECHNICAL APPROVAL_

CHECKED .4-. 4-4-LQ?__ APPROVED

BILLINGS MONTANA JUNE 241983 15-600-12e

Figure 57 - Sediment Disposition Curve
Table 1

HORIZONTAL AND VERTICAL CONTROL FOR

FRESNO RESERVOIR RESURVEY CONTRACT

Range Point

Number Marker Elevation Northing Easting

R1R

R1L

R2R

R2L

R3R

R3L

R4R

R4L

R5R

R5L

R6R

R6L

R7R

R7L

R8R

R8L

R9R

R9L

R1OR

R1OL

R11R

R11L

R12R

R12L

R13R

R13L

R14R

R14L

R15R

R15L

R16R

Rl 6L

Ri 7R

Ri 7L

Ri 8R

R18L

Ri 9R

Ri 9L

R2 OR

R2 OL

R2 1R

R21L

R22R

R2 2L

(R4OL)

(R5OR)

(R4OR)

(R5OL)

(R6 OL)

(R7 OL)

(R7OR)

(R8OL)

Alum. Cap

Alum. Cap

3/41t Rebar

3/4" Rebar

Alum. Cap

Alum. Cap

Alum. Cap

Alum. Cap

Alum. Cap

Alum. Cap

Brass Cap

Brass

3/4,'

3/4,,

Alum.

Alum.

3/4"

3/4,,

3/4"

3/4',

Brass

Brass

Alum.

Alum.

Alum.

Alum.

3/4,,

3/4,'

Brass

Brass

Alum.

Alum.

3/4,'

3 / 4"

Alum.

Alum.

3/4,,

3 / 4"

Alum.

Alum.

Brass

Brass

3/4,,

3/4',

Cap

Rebar

Rebar

Cap

Cap

Rebar

Rebar

Rebar

Rebar

Cap

Cap

Cap

Cap

Cap

Cap

Rebar

Rebar

Cap

Cap

Cap

Cap

Rebar

Rebar

Cap

Cap

Rebar

Rebar

Cap

Cap

Cap

Cap

Rebar

Rebar

2588.0

2631.5

2633.6

2609.6

2619.5

2614.7

2598.8

2627.8

2594.4

2642.3

2649.9

2633.9

2638.8

2669.6

2647.7

2672.3

2676.3

2678.1

2682.6

2688.9

2678.3

2704.4

2679.2

2722.9

2697.9

2713.4

2712.1

2721.1

2708.0

2737.6

2707.9

2586.7

2700.7

2694.4

2696.8

2675.6

2645.0

2674.7

2667.7

2684.8

2681.0

2680.5

2688.9

2673.5

582,938.6

585,204.8

584,240.0

586,184.8

588,425.0

588,054.0

591,679.6

593,214.9

595,374.7

595,940.6

598,435.1

598,428.2

600,999.1

601,995.8

603,644.7

604,175.9

606,191.3

607,400.1

609,603.0

610,405.4

611,678.3

614,029.4

613,939.3

617,423.9

617,212.0

618,884.3

619,277.0

621,295.2

621,197.2

624,506.6

622,622.0

626,401.1

621,707.6

624,290.2

621 ,623.1

625,671.7

625,242.9

626,779.2

628,556.4

629,330.4

632,006.6

635,066.8

632,655.5

635,431.5

1,890,911.4

1,891,913.3

1,887,173.2

1,889,466.0

1,886,039.4

1,888,711.7

1,883,592.0

1,888,540.7

1,884,398.8

1,888,034.1

1,884,828.7

1,887,459.8

1,884,385.5

1,886,857.8

1,882,340.5

1,886,222.3

1,881,755.3

1,884,114.1

1,880,713.0

1,883,920.1

1,879,837.3

1,882,387.6

1,877,675.2

1,879,521.3

1,874,047.8

1,877,016.6

1,872,029.3

1,874,416.0

1,868,232.1

1,871,324.1

1,866,096.9

1,865,884.9

1,863,700.9

1,862,130.7

1,859,865.7

1,860,481.7

1,856,708.7

1,859,335.0

1,853,738.0

1,858,404.4

1,852,849.4

1,855,924.1

1,851,521.0

1,853,688.7

69
Table 1

(continued)

HORIZONTAL AND VERTICAL CONTROL FOR

FRESNO RESERVOIR RESURVEY CONTRACT

Range Point

Number Marker Elevation Northing Easting

R23R (R9OR) Alum. Cap 2605.5 633,572.0 1,847,783.0

R23L Alum. Cap 2645.8 636,344.2 1,849,610.7

R24R 3/4" Rebar 2644.0 637,818.4 1,844,056.9

R24L 3/4" Rebar 2654.8 638,071.7 1,849,155.9

R25R Brass Cap 2692.6 641,051.5 1,843,039.7

R25L Brass Cap 2677.2 .640,989.1 1,849,371.6

R26R 3/4" Rebar 2652.9 644,778.9 1,843,312.9

R26L 3/4" Rebar 2623.6 644,627.5 1,847,740.4

R27R Alum. Cap 2638.7 647,487.0 1,842,459.4

R27L Alum. Cap 2640.8 648,090.2 1,847,176.9

R28R 3/4" Rebar 2614.1 650,154.1 1,842,852.8

R28L Alum. Cap 2591.6 651,599.3 1,847,015.9

R29R Alum. Cap 2627.6 654,177.8 1,844,431.2

R29L Alum. Cap 2593.8 654,274.6 1,846,615.3

R3OR Alum. Cap 2592.9 656,966.5 1,846,885.9

R3OL Alum. Cap 2652.6 657,379.1 1,847,753.2

R31R Alum. Cap 2595.0 659,952.6 1,845,191.2

R31L Alum. Cap 2592.6 660,048.4 1,846,319.4

R32R Alum. Cap 2599.4 663,606.3 1,843,303.9

R32L Alum. Cap 2599.3 664,283.4 1,846,083.3

R4OR (R4L) Alum. Cap 2627.8 593,214.9 1,888,540.7

R4OL (R3L) Alum. Cap 2614.7 588,054.0 1,888,711.7

R41R 3/4" Rebar 2632.0 590,222.0 1,892,301.6

R41L 3/4" Rebar 2607.8 588,594.4 1,892,084.3

R42R 314" Rebar 2612.2 590,078.8 1,894,256.8

R42L 3/4" Rebar 2612.7 590,084.0 1,895,345.6

R5OR (R4R) Alum. Cap 2598.8 591,679.6 1,883,592.0

R5OL (R5R) Alum. Cap 2594.4 595,374.7 1,884,398.8

R51R 3/4" Rebar 2618.6 594,978.3 1,881,633.4

R51L 3/4" Rebar 2599.7 595,615.7 1,882,843.8

R52R 3/4" Rebar 2631.1 596,238.5 1,880,355.1

R52L 3/4" Rebar 2630.1 597,522.5 1,880,185.3

R6OR Alum. Cap 2673.4 605,992.6 1,885,454.7

R6OL (R8L) Alum. Cap 2672.3 604,175.9 1,886,222.3

R61R 3/4" Rebar 2674.1 603,970.6 1,888,034.4

R61L 3/4" Rebar 2675.3 603,412.5 1,887,216.5

R62R 3/4" Rebar 2683.5 605,092.0 1,890,410.7

R62L 3/4" Rebar 2683.5 603,799.2 1,890,612.6

R7OR (R13L) Alum. Cap 2713.4 618,884.3 1,877,016.6

R7OL (R12L) Alum. Cap 2722.9 617,423.9 1,879,521.3

R71R 3/4" Rebar 2727.6 621,305.8 1,876,426.0

R71L 3/4" Rebar 2731.0 622,001.9 1,877,392.3

R8OR Alum. Cap 2689.5 626,367.5 1,864,063.7

R8OL (R16L) Alum. Cap 2586.7 626,401.1 1,865,884.9

70
Table 1

(continued)

HORIZONTAL AND VERTICAL CONTROL FOR

FRESNO RESERVOIR RESURVEY CONTRACT

Range Point

Number Marker Elevation Northing Easting

R9OR (R23R) Alum. Cap 2605.5 633,572.0 1,847,783.0

R9OL Alum. Cap 2598.7 635,655.4 1,845,741.1

R100R Alum. Cap 2664.7 652,626.3 1,841,317.6

R100L Alum. Cap 2643.7 653,969.4 1,843,301.0

AERIAL PICTURE POINT ELEVATIONS

Aerial

Photo No. Location

2338 Approx. 2000 feet south of 24 19 T. 33 N.,

R. 13-14 E. 25 30

2341 Approx. 900 feet SW of R14R

Approx. 3200 feet West of R31R

Approx. 700 feet West of R11L

Elevation

2657.79

2X2 Hub

2707.98

2X2 Hub

2617.67

2714.29

2X2 Hub

71
TABLE 2 - AREA IN ACRES - 1-FOOT INCREMENTS

FRESNO RESERVOIR (ACM') COMPUtED

03/21/84

1978 RESURVEY 1I.1L24.

AREA TABLE IN ACRES ELEVATION INCREMENT IS ONE FOOT

ELEVFEET 0 1 2 3 4 5 6 7 8 9

2520 1 8 48 132 218

2530 275 371 461 548 643 784 978 1074 1146 1200

2540 1254 1358 1432 1467 1714 1753 1787 1821 1872 1961

2550 2040 2083 2128 2173 2224 2357 2485 2542 2603 2663

2560 2752 2842 2932 3022 3131 3237 3343 3448 3592 3748

2570 3904 4059 4241 4434 4627 4878 5102 5325 5548 5855

2580 6130 6296 6509 6721 7115 7397 7679 7825 8006 8187

2590 8369 8550 8825 9059 9293 9527

I t 1
TABLE 3 - AREA IN ACRES - 0.10-FOOT INCREMENTS

FRESNO RESERVOIR

1978 RESURVEY

AREA TABLE IN ACRES ELEVATION INCREMENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 .3 .4 .5 .6 .7 8 .9

2524 1

2525 I 2 2 3 4 4 5 6 6 7

2526 8 12 16 20 24 28 32 36 40 44

2527 48 56 65 73 81 90 98 107 115 124

2528 132 141 149 158 166 175 184 192 201 209

2529 218 224 229 235 241 247 252 258 264 270

2530 275 285 294 304 314 323 333 342 352 361

2531 371 380 389 398 407 416 425 434 443 452

2532 461 470 479 487 496 505 513 522 531 540

2533 548 558 567 577 586 596 605 615 624 634

2534 643 657 671 685 700 714 728 742 756 770

2535 784 804 823 842 862 881 900 920 939 958

2536 978 987 997 1006 1016 1026 1035 1045 1054 1064

2537 1074 1081 1088 1095 1103 1110 1117 1124 1132 1139

2538 1146 1152 1157 1162 1168 1173 1179 1184 1189 1195

2539 1200 1206 1211 1216 1222 1227 1232 1238 1243 1249

2540 1254 1264 1275 1285 1295 1306 1316 1327 1337 1347

2541 1358 1365 1373 1380 1388 1395 1403 1410 1417 1425

2542 1432 1436 1439 1443 1446 1450 1453 1457 1460 1463

2543 1467 1492 1516 1541 1566 1591 1615 1640 1665 1689

2544 1714 1722 1725 1729 1732 1736 1739 1743 1746 1749

2545 1753 1756 1760 1763 1766 1770 1773 1777 1780 1784

2546 1787 1790 1794 1797 1801 1804 1808 1811 1814 1818

2547 1821 1825 1830 1835 1841 1846 1851 1857 1862 1867

2548 1872 1890 1898 1906 1914 1922 1930 1937 1945 1953

2549 1961 1969 1977 1985 1992 2000 2008 2016 2024 2032

(ACAP) COMPUTED

03/21/84

11.12.31.
TABLE 3 - CONTINUED

FRESNO RESERVOIR (ACAP) COMPUTED

03/21/84

1978 RESURVEY l.12.31.

AREA TABLE IN ACRES ELEVATION INCREMENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 .3 .4 .5 .6 .7 .8 .9

2550 2040 2043 2047 2052 2056 2061 2065 2070 2074 2079

2551 2083 2088 2092 2097 2101 2106 2110 2115 2119 2124

2552 2128 2133 2137 2142 2146 2151 2155 2160 2164 2169

2553 2173 2173 2177 2183 2189 2195 2201 2206 2212 2218

2554 2224 2241 2254 2267 2280 2293 2305 2318 2331 2344

2555 2357 2369 2382 2395 2408 2421 2433 2446 2459 2472

2556 2485 2488 2494 2500 2506 2512 2518 2524 2530 2536

2557 2542 2548 2554 2561 2567 2573 2579 2585 2591 2597

2558 2603 2609 2615 2621 2627 2633 2639 2645 2651 2657

2559 2663 2671 2680 2689 2698 2707 2716 2725 2734 2743

2560 2752 2761 2770 2779 2788 2797 2806 2815 2824 2833

2561 2842 2851 2860 2869 2878 2887 2896 2905 2914 2923

2562 2932 2941 2950 2959 2968 2977 2986 2995 3004 3013

2563 3022 3036 3046 3057 3067 3078 3089 3099 3110 3120

2564 3131 3141 3152 3163 3173 3184 3194 3205 3216 3226

2565 3237 3247 3258 3268 3279 3290 3300 3311 3321 3332

2566 3343 3353 3364 3374 3385 3395 3406 3417 3427 3438

2567 3448 3452 3467 3483 3498 3514 3530 3545 3561 3576

2568 3592 3607 3623 3639 3654 3670 3685 3701 3717 3732

2569 3748 3763 3779 3795 3810 3826 3841 3857 3872 3888

2570 3904 3919 3935 3950 3966 3982 3997 4013 4028 4044

2571 4059 4068 4087 4107 4126 4145 4164 4184 4203 4222

2572 4241 4261 4280 4299 4319 4338 4357 4376 4396 4415

2573 4434 4453 4473 4492 4511 4531 4550 4569 4588 4608

2574 4627 4677 4700 4722 4744 4767 4789 4811 4834 4856

2575 4878 4901 4923 4945 4968 4990 5012 5035 5057 5079

2576 5102 5124 5146 5169 5191 5213 5236 5258 5280 5303

2577 5325 5347 5370 5392 5414 5437 5459 5481 5504 5526

2578 5548 5608 5636 5663 5691 5718 5745 5773 5800 5828

2579 5855 5883 5910 5938 5965 5992 6020 6047 6075 6102
U-i

TABLE 3 - CONTINUED

FRESNO RESERVOIR

1978 RESURVEY

AREA TABLE IN ACRES ELEVATION INCREMENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 .3 .4 .5 .6 .7 .8 .9

2580 6130 6130 6130 6148 6169 6190 6211 6233 6254 6275

2581 6296 6318 6339 6360 6381 6403 6424 6445 6466 6488

2582 6509 6530 6551 6573 6594 6615 6636 6658 6679 6700

2583 6721 6862 6890 6918 6946 6975 7003 7031 7059 7087

2584 7115 7144 7172 7200 7228 7256 7284 7313 7341 7369

2585 7397 7425 7453 7482 7510 7538 7566 7594 7622 7651

2586 7679 7679 7680 7698 7716 7734 7752 7770 7789 7807

2587 7825 7843 7861 7879 7897 7915 7934 7952 7970 7988

2588 8006 8024 8042 8061 8079 8097 8115 8133 8151 8169

2589 8187 8206 8224 8242 8260 8278 8296 8314 8332 8351

2590 8369 8387 8405 8423 8441 8459 8478 8496 8514 8532

2591 8550 8615 8638 8662 8685 8708 8732 8755 8779 8802

2592 8825 8849 8872 8895 8919 8942 8966 8989 9012 9036

2593 9059 9082 9106 9129 9153 9176 9199 9223 9246 9269

2594 9293 9316 9340 9363 9386 9410 9433 9456 9480 9503

(ACAP) COMPUTED

03/21/84

11. 12.31.

2595 9527
TABLE 4 - CAPACITY IN ACRE-FEET - I-FOOT INCREMENTS

FRESNO RESERVOI R

1978 RESURVEY

CAPACITY TABLE IN ACRE FEET ELEVATION INCREMENT IS ONE FOOT

ELEV.FEET 0 I 2 3 4 5 6 7 8 9

2520 0 4 32 122 297

2530 544 867 1283 1788 2383 3097 3978 5004 6114 7287

2540 8514 9820 11215 12664 14255 15990 17760 19564 21409 23329

2550 25329 27386 29492 31643 33835 36127 38548 41059 43632 46265

2560 48976 51773 54660 57637 60726 63910 67199 70595 74116 77786

2570 81612 85593 89752 94090 98620 103397 108387 113600 119037 124757

2580 130750 136945 143345 149963 156936 164193 171731 179460 187375 195472

2590 203750 212209 220919 229861 239037 248447

K *

(ACAP) COMPUTED

03/21/84

II. 1L24.
TABLE 5 - CAPACITY TABLE IN ACRE-FEET - 0.10-FOOT INCREMENTS

FRESNO RESERVOIR (ACAP) COMPUTED

03/21/84

1978 RESURVEY 11.12.31.

CAPACITY TABLE IN ACRE FEET ELEVATION INCREMENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 .3 .4 5 .6 .7 .8 .9

2524 0 0

2525 0 0 0 1 I 1 2 2 3 4

2526 4 5 7 9 II 13 16 20 23 28

2527 32 37 43 50 58 67 76 86 97 tog

2528 122 136 150 166 182 199 217 236 255 276

2529 297 319 342 365 389 413 438 464 490 517

2530 544 572 601 631 662 693 726 760 795 830

2531 867 904 943 982 1022 1064 1106 1149 1192 1237

2532 1283 1329 1377 1425 1474 1524 1575 1627 1680 1733

2533 1788 1843 1899 1956 2015 2074 2134 2195 2257 2320

2534 2383 2448 2515 2583 2652 2723 2795 2868 2943 3019

2535 3097 3176 3258 3341 3426 3513 3602 3693 3786 3881

2536 3978 4076 4175 4276 4377 4479 4582 4686 4791 4897

2537 5004 5111 5220 5329 5439 5550 5661 5773 5886 5999

2538 6114 6228 6344 6460 6576 6693 6811 6929 7048 7167

2539 7287 7407 7528 7649 7771 7894 8017 8140 8264 8389

2540 8514 8640 8767 8895 9024 9154 9285 9417 9550 9684

2541 9820 9956 10093 10230 10369 10508 10648 10788 10930 11072

2542 11215 11358 11502 11646 11791 11935 12080 12226 12372 12518

2543 12664 12812 12963 13116 13271 13429 13589 13752 13917 14085

2544 14255 14426 14598 14771 14944 15118 15291 15465 15640 15815

2545 15990 16165 16341 16517 16694 16870 17048 17225 17403 11581

2546 17760 17938 18118 18297 18477 18657 18838 19019 19200 19382

2547 19564 19745 19928 20111 20295 20480 20664 20850 21036 21222

2548 21409 21596 21785 21976 22167 22358 22551 22744 22938 23133

2549 23329 23526 23723 23921 24120 24319 2d520 24721 24923 25126
TABLE 5 - CONTINUED

FRESNO RESERVOIR (ACAP) COMPUTED

03/21/84

1978 RESURVEY 11.12.31.

CAPACITY TABLE IN ACRE FEET ELEVAT ION INCREM ENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 .3 .4 .5 .6 .7 .8 .9

2550 25329 25529 25734 25939 26144 26350 26557 26763 26970 27178

2551 27386 27595 27804 28013 28223 28434 28644 28856 29067 29279

2552 29492 29705 29919 30133 30347 30562 30777 30993 31209 31426

2553 31643 31857 32075 32293 32511 32731 32950 33171 33392 33613

2554 33835 34058 34283 34509 34736 34965 35195 35426 35658 35892

2555 36127 36363 36601 36840 37080 37321 37564 37808 38053 38300

2556 38548 38795 39044 39294 39544 39795 40047 40299 40552 40805

2557 41059 41313 41569 41824 42081 42338 42595 42853 43112 43372

2558 43632 43892 44153 44415 44678 44941 45204 45468 45733 45999

2559 46265 46536 46804 47072 47342 47612 47883 48155 48428 48702

2560 48976 49252 49528 49806 50084 50363 50644 50925 51207 51489

2561 51773 52058 52343 52630 52917 53205 53494 53784 54075 54367

2562 54660 54954 55248 55544 55840 56137 56435 56734 57034 57335

2563 57637 57951 58255 58560 58866 59173 59482 59791 60102 60413

2564 60726 61039 61354 61670 61987 62304 62623 62943 63264 63586

2565 63910 64234 64559 64885 65213 65541 65871 66201 66533 66865

2566 67199 67534 67870 68207 68545 68884 69224 69565 69907 70250

2567 70595 70947 71293 71640 71989 72340 72692 73046 73401 73758

2568 74116 74476 74838 75201 75566 75932 76300 76669 77040 77412

2569 77786 78162 78539 78918 79298 79680 80063 80448 80834 81222

2570 81612 82003 82396 82790 83186 83583 83982 84383 84785 85188

2571 85593 86012 86420 86830 87241 87655 88070 88488 88907 89328

2572 89752 90177 90604 91033 91464 91896 92331 92768 93207 93647

2573 94090 94534 94980 95428 95879 96331 96785 97241 97699 98158

2574 98620 99097 99566 100037 100510 100986 101464 101944 102426 102910

2575 103397 103886 104377 104871 105366 105864 106364 106867 107371 107878

2576 108387 108898 109412 109928 110446 110966 111488 112013 112540 113069

2577 113600 114134 114670 115208 115748 116291 116836 117383 117932 118483

2578 119037 119599 120161 120726 121294 121864 122437 123013 123592 124173

2579 124757

4

125344 125934 126526 127121

I

127719

9

128320 128923 129529 130138
S-i

TABLE 5 - CONTINUED

FRESNO RESERVOIR

1978 RESURVEY

CAPACITY TABLE IN ACRE FEET ELEVATION INCREMENT IS ONE TENTH FOOT

ELEV. FEET .0 .1 .2 3 .4 .5 .6 .7 .8 .9

2580 130750 131364 131976 132590 133205 133823 134443 135066 135690 136316

2581 136945 137576 138209 138843 139481 140120 140761 141405 142050 142698

2582 143348 144000 144654 145310 145968 146629 147291 147956 148623 149292

2583 149963 150647 151334 152025 152718 153414 154113 154814 155519 156226

2584 156936 157649 158365 159084 159805 160529 161256 161986 162719 163454

2585 164193 164934 165678 166424 167174 167926 £68682 169440 170200 170964

2586 171731 172491 173258 174027 174797 175570 £76344 177120 177898 £78678

2587 179460 180243 181028 £81815 182604 183395 184187 184981 185777 186575

2588 187375 188177 188980 189785 190592 191401 192211 193024 193838 194654

2589 195472 196291 197113 197936 198761 199588 200417 201247 202080 202914

2590 203750 204588 205427 206269 207112 207957 208804 209652 210503 211355

2591 212209 213071 213934 214799 215666 216536 217408 218282 219159 220038

2592 220919 221803 222689 223577 224468 225361 226257 227154 228054 228957

2593 229861 230769 231678 232590 233504 234420 235339 236260 237183 238109

2594 239037 239968 240901 241836 242773 243713 244655 245600 246546 247496

2595 248447

(ACAP) COMPUTED

03/2 1/84

II. 12.31.
Table 6

OD

SUMMARY OF 1978 SURVEY RESULTS AND

SEDIMENT DISTRIBUTION COMPUTATIONS

Measured Percent of Sediment Loss

Original 1977/1978 Sediment Measured Incremental as % of

Elevation Capacity Capacity Volume Sediment Percentage Original Cap.

(feet) (acre-feet) (acre-feet) (acre-feet)

*2580 160,162 130,750 29,412 100.0 4.3 38.4

2578 147,182 319,037 28,145 95.7 5.5 19.1

2576 134,922 108,387 26,535 90.2 2.9 19.7

**2575 129,062 103,397 25,665 87.3 3.1 19.9

2574 123,382 98,620 24,762 84.2 6.7 20.1

2572 112,562 89,752 22,810 77.5 6.6 20.3

2570 102,462 81,612 20,850 70.9 6.5 20.4

2568 93,072 74,116 18,956 64.4 6.1 20.4

2566 84,362 67,199 17,163 58.3 5.2 20.3

2564 76,332 60,726 15,606 53.1 5.0 20.4

2562 68,822 54,660 14,162 48.1. 4.6 20.6

2560 61,762 48,976 12,786 43.5 4.4 20.7

2558 55,142 43,632 11,510 39.1 3.8 20.9

2556 48,922 38,548 10,374 35.3 3.8 21.2

2554 43,102 33,835 9,267 31.5 4.0 21.5

2552 37,592 29,492 8,100 27.5 3.6 21.6

2550 32,362 25,329 7,033 23.9 3.4 21.7

2548 27,432 21,409 6,023 20.5 3.1 22.0

2546 22,882 17,760 5,122 17.4 2.2 22.4

2544 18,722 14,255 4,467 15.2 2.3 23.9

2542 15,002 11,215 3,787 12.9 1.8 25.2

2540 11,772 8,514 3,258 11.1 1.4 27.7

2538 8,982 6,114 2,868 9.7 0.8 31.9

2536 6,602 3,978 2,624 8.9 1.3 39.8

2534 4,622 2,383 2,239 7.6 1.7 48.4

2532 3,022 1,283 1,739 5.9 1.4 57.5

2530 1,862 544 1,318 4.5 3.2 70.8

2525 377 0 377 1.3 100.0

2524.8 -- o 1.3

2520 0 0 0.0

* Maximum water surface for period of record is 2579.35.

**Spjllway crest elevation 2575 feet.

4
Table 7 Reservoir Sediment Data Summary

Fresno Reservoir

NAME OF RESERVOIR

1. OWNER Department of Tnt . USBR 2. STREAM Milk River 3 . STATE Montana

4. SEC. 19 TWP. 33 N RANGE 14 E 5, NEAREST P 0. Havre , MT 6. COUNTY Hill

-

7. LAT48 36 ' 30" LONG.109° 56 50" 8. TOP OF DAM ELEVATION 2596.1 9. SPILLWAY CREST ELEV. 2575 * 0

10. STORAGE 11. ELEVATION 12. ORIGINAL 13. ORIGINAL 14. GROSS STORAGE, 15. DATE

ALLOCATION TOP OF POOL SURFACE AREA. ACRES CAPACITY ACRE-FEE ACRE-FEET STORAGE BEGAN

a. FLOOD CONTROL

b. MULTIPLE USE 2515.0 5757 4043fl 17Qflf7 Noy 1939

> a. POWER

.

____________

d.WATER SUPPLY

______________ ______________ MAL OPER BEGAN

e. IRRIGATION

_____________ _______________ .

f. CONSERVATION 2567.0 4374 R6770 RR fZ37

g. INACTIVE 2530.0 505 1.862 1:862 Apr. 1943

17. LENGTH OF RESERVOIR 15 MILES1 AV. WIDTH OF RESERVOIR 0.5 MILES

18. TOTAL DRAINAGE AREA 3,766 SQ. MI. 22. MEAN ANNUAL PRECIPITATION 13 INCHES

19. NET SEDIMENT CONTRIBUTING AREA 3 ,096 SQ. MI. 23. MEAN ANNUAL RUNOFF 0. 74 INCHES

20. LENGTH 269 MILES 'AV. WIDTH 15.5 MILES 24. MEAN ANNUAL RUNOFF 149 000 11 AC..FT.

21. MAX. ELEV. 6,000 ft. MIN. ELEV, 2500 ft. .ANNUAL TEMP. MEAN 42 RANGE 56 to 109

26 DATE OF 27. 28. {

29. TYPE OF 30. NO. OF RANGES 31. SURFACE 32. CAPACITY, 33. C/I. RATIO,

SURVEY D ACCL. SURVEY OR CONTOUR INT. AREA, ACRES ACRE-FEET AC..FT. PER AC..FT.

Nov. 1939 0 0 Contour 5 ft. 5757 129,062 0.87

June 1978 38.7 38.7 Range 223 4878 103,397 0.69

26. DATE OF 35. PERIOD WATER INFLOW , ACRE-FEET 36 . WATER NFL . TO DATE , AC -FT.

SURVEY PRECIPITATION a. MEAN ANNUAL b. MAX. ANNUAL a. PERIOD TOTAL a. MEAN ANNUAL b. TOTAL TO DATE

June 1978 11.7 271,160 389,100 10,575,256 271,160 10,575,256

I.-

0

>.

26. DATE OF 37. PERIO D CAPACI_LOSS,_ACRE-FEET 38. TOTAL SED. DEPOSITS TO DATE, ACRE-FEET

SURVEY a. PERIOD TOTAL b. AV. ANNUAL c.PER SQ. MI.-YEAR aTOTAL TO DATE b. AV. ANNUAL a. PER SQ. MI,.YEAR

June 1978 25,665 663.2 0.214 25,665 663.2 0.214

2/(32,912) (850.4) (0.275) (32,912) (850.4) (0.275)

26. DATE OF 39. AV. DRY WGT., 40.SED. DEP..TONSPERSQ. MI-YR. 41.STORAGE LOSS. PCT. 42. SED. INFLOW. PPM

SURVEY 5, PER CU, a. PERIOD b. TOTAL TO DATE a.AV. ANN. b. TOT.TODATE a. PERIOD b. TOT. TO DATE

June 1978 unknown unknown unknown .51 19.89 unknown unknown

81
Table 7 - Continued

26 DATE OF

43. DEPTH DESIGNATION RANGE IN FEET BELOW, AND ABOVE, CREST ELEVATION

. SURVEY I I I I I I I

PERCENT OF TOTAL SEDIMENT LOCATED WITHIN DEPTH DESiGNATION

June 1978 12.7 16.4 15.2 12.2 10.1 9.5 7.6 5.2 2.9 3.8 3.2 1.3

44. REACH DESI GNATION PERCE NT OF TOTAL ORIGINAL LE NGTH OF RESERVOIR 26. DATE OF

SURVEY 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 -1051 110j _115 _120j -125

PERCENT_OF TOTAL_SEDIMENT LOCATED WITHIN REACH DESIGNATION ____

45. RANGE IN RESERVOIR OPERATION

WATER YEAR MAX, ELEV. MIN. ELEV. INFLOW. AC-FT. WATER YEAR MAX, ELEV. MIN. ELEV. INFLOW. AC-FT.

1940 2548.82 2531.23 175,183 1953 2576.35 2563.40 379,978

1941 2549.45 2540.15 151,268 ' 1954 2576.25 2564.35 256,849

1942 2567.60 2541.95 265,057 1955 2576.35 2564.00 268,325

1943 2573.50 2554.80 246,592 1956 2575.30 2561.90 249,223

1944 2564.80 2554.30 128,876 1957 2575.75 2560.55 258,883

1945 2564.05 2553.45 217,566 1958 2574.70 2549.70 296,020

1946 2560.70 2554.95 229,973 1959 2576.35 2548.35 349,273

1947 2576.60 2558.15 310,160 1960 2576.25 2553.85 308,256

1948 2576.10 2563.10 297,150 1961 2558.20 2533.25 216,354

1949 2564.10 2540.30 241,312 1962 2564.25 2542.20 252,996

1950 2560.95 2538.30 263,032 1963 2562.15 2551.00 248,697

1951 2575.90 2561.70 275,965 1964 2571.45 2552.25 272,861

1952 2579.35 2557.00 320,657 1965 2577.90 2560.85 344.200

46. ELEVATION-AR EA-CAPACITY DATA

ELEVATION AREA CAPACITY ELEVATION AREA CAPACITY ELEVATION AREA CAPACITY

2595 9527 248447 2550 2040 25329

2590 8369 2 03750 2545 1753 15990

2585 7397 1 64193 2540 1254 8514

2580 6130 1 30750 2535 784 3097

2575 4878 103397 2530 275 544

2570 3904 81612 2525 1 0

2565 3237 63910 2520 0 0

2560 2752 48976

2555 2357 36127

47. REMARKS AND REFERENCE S

1/ 137 ,000 AF addi tional from St. Narys Canal

2/ To elevation 25 90.0

48. AGENCY M AKING SURVEY

49. AGENCY SUPPLYING DATA 50 . DATE April 1984

Ar 966
Table 7 - Continued

26 DATE OF 43. DEPTH DESIGNATION RANGE IN FEET BELOW, AND ABOVE, CREST ELEVATION

.

SURVEY I I I I I

PERCENT OF TOTAL SEDIMENT LOCATED WITHIN DEPTH DESIGNATION

26. DATE OF REACH DESIGNATION PERCENT OF TOTAL ORIGINAL LENGTH OF RESERVOIR

SURVEY 0-10 J 10-20 20-301 30-40 40-50 50-60! 60-70 70-80 180-90 90-100 -105! _110I -115! -1201 -125

_____________ _____

PERCENT OF TOTAL_SEDIMENT LOCATE D WITHIN_REACH DESIGNATION

45. RANGE IN RESERVOIR OPERATION

WATER YEAR MAX. ELEV. MIN. ELEV. INFLOW. AC.FT. WATER YEAR MAX. ELEV. MIN. ELEV. INFLOW, AC..FT.

1966 2575.80 2569.25 272,000

1967 2576.80 2560.50 389,100

1968 2571.40 2561.95 285,700

1969 2576.30 2565.00 331,500

1970 2575.22 2561.38 221,300

1971 2574.55 2543.21 248,000

1972 2575.20 2552.15 361,600

1973 2568.40 2543.35 177,300

1974 2575.75 2540.10 274,040

1975 2577.45 2564.75 319,400

1976 2575.60 2559.50 286,500

1977

1978

2565.20

2577.25

2540.55

254'L75

115,600

318,600 __________

46.

___________ __________ ___________

ELEVATION-AREA-CAPACITY DATA

ELEVATION AREA CAPACITY ELEVATION AREA CAPACITY ELEVATION AREA CAPACITY

47. REMARKS AND REFERENCES

45. AGENCY MAKING SURVEY

L..CENCY SUPPLYING DATA 50. DATE April 1984

0') AorI 966
PRELIMINARY Table 8 PRELIMINARY

---

---------- -----

------- ------- -------

_______________________________

RESERVOIR CAPACITY ALLOCATIONS

ITYPE OF DAM Homogeneous Earthf ill JREGION UN ISTATE Montana

173?ATED BY Bureau of Reclamation Fresno RESERVOIR

CREST LENGTH2,O7OFT; CREST WIDTH 22 FT Fresno DAM

VOLUME OF DAM 2,105,000 CUYD Milk River PROJECT

CONSTRUCTION PERIOD 1937-1939 DIVISION

STREAM Milk River

-

UNIT

RESAREA 4,878 ACRESATEL 2575 Operational STATUSOFDAM

ORIGINATED BY: APPROVED BY:

(Initials) (Code) (bate) (Inttials) (Code) (Date)

CREST OF DAM (without camber) EL_

FREEBOARD

I - .. 3.2 j-

', t i MAXIMUM WATERSURFACE 2

EL99-

___________

I I

c r-l cI cI SURCHARGE

N-

"

H CO _______________

125,560 A.F.

I TOP OF EXCLUSIVE FLOOD CONTROL EL

I ° 1I -r r

IQI I I

EXCLUSIVE

FLOODCONTROL

I -4I -1I -II

I

II I A.F.

I I I TOPOFJOINTUSE EL 2575.0

I I

_

- - - -

I

JOINT USE

>.

' i iUSES: F.C.

--

32,802 A.F.

a TOPOFACTIVECONSERVATION

- 0- --'

-

________________ _______________

r i ACTIVE U) U

CONSERVATION

2 00 USES:

/I.J 1<

/jTOPOFINACTIVE()

70,051 A.F.

_____________

I

I INACTIVE I

- Z

I - AF.

5

TOPOFDEAD 2530.0 EL E I I

DEAD

544 AF.

STREAMBED AT DAM AXIS 2518.0

EL__

2436.0 LOWEST POINT OF FOUNDATION EXCAVATION EL

() Includes... a.f. allowance for year sediment deposition between

streambedandEL ,ofwhich_ a.f. isaboveEl

() Established by

REFERENCES AND COMMENTS:

1/ Crest profile survey, 1968

2/ Modpuls routing of revised 1967 IDF

Data from 1978 sediment resurvey

Specifications No. 692

Drawing No. 16-604-1 (Rev.)

84