New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1873-04-01

Seward. Starting from Tahawus on the 5otn W.
found the hight OF Andrew Mountain to DO $3.50 ieet
and North River Mountain am feet We reached the
summit of saptanoni about mtday. Bngularly enough,
tine wsSts w w now 0r % and
the angular observatoas 10 be made very oomp,escd
grandy out sharp gray cone. The positions Of vari-
lakes and their islands were determined ana espe
caily the lower end OF Long Lake, which, Ike great
river lay stretched before In the west Late In tue
afternoon the work was stopped by heayy clouus pu
barometrical observations showing Its hight TO be 1901
feet finished, and five reconnaissance maps OF topogta
and forced our way down through the dwarf basam and
spruce trees on the TANKS Of the mountain. -
The next sub-e xpedti0n TO Mt. Seward. IL was
advisable that this important mountain should be made
a triangulaon station and was also desirous OF TO
atstioned at the ironworks. who would take syn
chronous readings at that place as near lower
Long Lake, eastward, up TO Cold River. We were now
above the sources Of that stream and 70 reacn ,ne
mountains foot must descend Cold River. WESTWARD
The guides knew nothing OF that portion OF the
Wilderness and placed upon my shoulders tne RESPONSE
bty I'm addition my scientific abors, OF guiding them
The summit OF Mount Seward. the very spot which
had reached two years was attained AT ABOUT
dateiy placed The clouds, however settling around
the mountain peaks, prevented tnangulaton; yet, IN
addition to the pharmaceutical ooseryations Ioaha 'e
to obtain reconnaissance maps Though waiting VII
G Ds tine G0ud only Se nsy %aSs
oct 2 showed the summit OF Mount Seward whitehead
with snow Another series OF barometrlcai observe va
Fab. Tor zero centgrade) so that the reduction to
freezing point correction for these baromerioa
lower; the mean OF Thermometer this day Deing
32o22 Fab. The hight Of Mount Seward, as computed
The instruments employed In this measurement were Tar
superior to those used in 1870 and Is my opinion ta
vous conclusions eport ON the Measurement OF Mount
Seward, Twentyfourth Annual Report OF the
attributed 70 Moant seward by Prof Elm,
thus proved to be in error some coo or 200 ieet;
Oct proving unusually bright ana clear, ascehuou
Owls Head Mountain and made the usual observations.
This mountain is the westernmost corner OF the grea.
quadriateral, and the spot where the theodote
= by copper 9D s Ws py tue
assistant with hourly observations by myself the
Hudson RIVER 0Ya Is interesting 70 compare this
result with the measurement OF the same noun
which indicated altitude OF 2,7ol feet The diff
ference is not great when we consider the circum-
stances The mountain has an Irregular summit, ana
The altitude OF Little Tupper's lake i computed AT
LIS feet that OF Tuppers Lake, which Is partlay IN
Ponds by barometer at 7O feet OF Mud Lake and the
elevated plateau which 1t lies at lIT feet IL 70
come necessary to have greatly increased supply Of
for the Hudson River or canals even these dls-
lakes aud rivers be made tributary Tho water
OF Smiths Lake and OF the lakes and streams eupVng
into 1t could be turned by dam aud canal INTO Charlie
Pond which emptes into Little Tupper's Lake. by cor
treatment the waters OF the latter could be
led into stony Pond which by the Slim Pond empties
since proposed by Prof Benedict led to the head waters
OF the Hudson nearly doubling the upper watershed OF
ship canal this source OF water supply may be OF
interest, but though the expenditure 70 render IL
available would be tring the consequential damages
10 mlIl-owners In the settlements the lower waters
OF the streams thus diverted, would he cOnsldeIahe
Markham the hight of which computed at 2i7a feet It
intention to have proceeded from TINS station 20
where another triangulation station would
heen
disease-which nad ceased III tue ciues-Was
here at its hight 1t almost impossible TO procure
conveyance, and the survey brought TO summary
conclusion.
r Colyn gives at this point chapter OF great tech
meal interest on bypsometry, showing the simplicity
and accuracy OF this mode OF measuring mountain
nights and also describing a method OF his own inyen-
lon by which from any mountain the hight OF Inferior
Mountains not assembled can be measuredl
THE PROBLEM OF WATER sUPPLY
IL is now a question Of political Importance whether
region covered by this survey should not he pre-
In itspresent primitive condition as foresfarm
md source OF timber supply for our buildings ard our
hips. The deprivation OF State Of Its timber Is grave
rror In political economy, and at this time when the
Western States of the Unon feeling their deficiency
aborousy planting forests it behooyes US to sec 10 the
OF those with which are spontaneously
essed The question OF water supply also IL int tey
oDnected with this proposition have elsewhere ex-
my opinion thas within one hundred years the
old. heathfu living. waters OF the wilderness
the home OF the brook trout, fish that can
ot exist in impure stream-will be required Tor
be domestic supply the cities OF the Hudson
liver valley With the exception OF the Croton HatsT
he available water falling into the Hue son below
armed region, inferior in quality, often charged with
he deleterious products OF paperls antt iactories
eing in short from watersheds which the public
control It Is not possible to protect from detlle
the water flowing through settled country Every
oluIon the strength Of the anures e,agrcuturist
md much dissolved mineral matter derive from the
he waters edge and the shallow streams, lacking the
lolume and depth, which. In great rivers lenders
o o the sun a mere superficial and immaterial
natter now heated and eyaporatiDg, beco nauseous
SINS The streams OF the Wilderness the contrary,
ire sheltered from the sun by the thick oyerhangng
ocks OF the region beng generally que ssoid contain
little soluble matter; and the pure water from the
Ir In the breezy lakes brightly foaming over
many picturesque rapid and waterfall 10 the hudson
md the A stone dam thrown acrols the Hudson
.boye It's junction with the schroon, while securing
free from deleterous substances oud Afford the
upernous waters river escaping M the center OF
he dam, through huule would be su hicient for the
,acandaga River above Worthwhile Is pu and OF great
,aue. and could be treated IN the same anner
AN AQUEDUCT TWO HUNDRED MI .Es LONG.
The great expense attending prof cost OF
he aqueduct, which. II extended To HewYork City,
you'd be more than 200 miles in length When we con-
der however the Roman aGneducts he aqua Marcia,
% miles In length built years beore Christ and the
numerous other aqueducts, of which to
his day: the aqueduot Of the inferior town. Civita
yeccha, % miles in length; In Provence. that which
supplied Nismes crossing deep valley hight OF 1888
feet conducting the water for dist Of Is miles)
the aqueduct proposed VIII not appear chinerical In
scotland the city OF Glasgow u supplied with water
brought Loeb Katrina distant &c miles, furnishing
10 100000 gallons day. This aqueduct completed
in 1889 In France covered conduit 30 miles In length
conveys 100000 gallons of pure spring water to Paris
from the head OF the Dbus In Champagne and progress
Is making upon the Vaune aqueduct, distant from
Paris lOi miles estimated yield. 2O0OoO0 gallons day
In England the water furnished London bang inferior
In quality Of supply from the head waters
OF the river Severn North Wales distant ITS mes)
been suggested The cost OF tina aqueduct Ia es-
timated at tI3,OOO0o1.
Ali these works are undertaken for the sake OF prosnr
ing nnra Ngater for. though ench thu ciea ahnYn