The new North-west., 1873-09-06

-wAsHlxorox, August l7.-It b stated In
thS sixth sspusl report of listed otasss
Geological Survey Of the Territories b. I:
v. Hayden, United States 0eologist, that
thsrc 6peshaps no msss Ost6s~6 q ness
interesting geographical region 10 Amssses
than the didssent branches Of Snake River
and the Nadisou-ths crest waller divide Of
the Contiscns. The mAps row ID progress
viii almost entirely change the geography
Of this wonderful region. Within radius
Of ten miles nay b found the soarcc Of
three Of tho largest riven In America. The
general elevation 10 seven 10 eight thcusaad
feet above the sea, while the naountasus
whose peretual SHOWS form The sources Of
these great rivers. rise to . height Of Zen 70
twelve thousand feet. Moving northwaEd
arc the various branches OF the Missouri,
Yellowstone and Wind Rivers, which Ill
eventually unite In the Missouri To, the
south ase the branches of Green River,
which unites With the Colorado and emptics
into the Gulf OF California, while south and
west flow the branches Of Snake River,
which unite with tho Columbia and empty,
into the Pacific. The exploration Of this
remarkable water divide proves that the
Madison Fork has its source In small lake
not hithcr noted on any map, and the 70
called Madison Lake belongs entirely on the
Pacific Slope. .
This latter lake IVES found to be twelve
miles long and eight miles wide. From this
body Of water flows . stream nearlv one
hundred feet wide. which, after distance
of about 6ve miles. empties into second
lake, which 10 four miles long, and one and
bal nile wide. The former of these
lakes 1t has named 0hoshone and the latter
Lake Lewis, 10 honor Of the pioneer explos.
Ct OF the North. west. At the upper end Of
Lake Sbosh0os new geyser basin vas
discovered, With frcm seventy 6vs to one
hundred spripgs. many Of thsn geysers of
considerable power. The ornamentation
about these springs wss regarded - moro
interesting and elaborate than those iq FIRE
Hole basin. The divide between yellow.
stone Lake and Lewis, WAS fosnd to be 50
feet shove The former and zoo above tie
latter: This low ridscin the great water
divide Of the continent. hes doubtless given
rise to the story Of the Two ocean River,
sud such : stream has found It's way 10
most Of our printed mspa From the sum-
mit Of the mountain the scope of vision. sm.
hsaced . radius Of l5O miles. within which
40 mountain peaks worthy Of nama could
be distinctly observsd. The area that could
have been swept BY the eye from this point
could not have been less than 30, 600 square
miles, embracing every variety Of grand and
beautiful scenery Of mountaan aud valley,
probably without . parallel on the Conti-
ncnt Ten large iakes and several
smaller ones were embraced In the view, and
| the entire Yellowstone Park was spread on,
under the eye. To the cast the Wind Riv.
er and B,g Horn ranges, with the snow clad
summi.s Of Trpop,'S, Usion. and CLOUD
Peaks bounded the view. On the north The
Yellowstone Rarsc. with Emigrsnt Peak
and many The loftiest mountains Of Montans
were clearly seen. To the west the numer'
ous ranges otmprissd In what are called III.
Salmon River Mountains Of Idaho, form I'll
horizon of vision In that direction. whill
The mountains near Fort Hall and Wasatct
Range, completed tho smphithessrc. Thi'
remarkable visw snbrsced . large possSvs
Of wycomiag, Montana, Idaho and Utal
Territories, About forty small streams
which unite and form the upper portion o
Snake River, were carefully examined. tn
party then proceeded down the Valley o
Snake River, through its :re'narksbls can
yons, examined Jsckson's ,IAkc and the M
merous streams that empty INTO the matt
river on either side.
The rpor costsins - pf'stes' ocset1
pages.