The new North-west. [volume] (Deer Lodge, Mont.) 1869-1897, 1872-09-21
An EXTINCT VOLCANO.

l.Asssstag Diseevse3ss e - osslegtsal
0xpslitSa IN IAahs-A Crater aaf .
1lils Dsep.
Fort Hal, udaho) Letter 10 n. Y. Herald.
Leaving the road At Market Like and bid
ding fxsewell to the last ranch We see for
many weeks, We struck oIt across the c0un.
try towards our objective point, tIc ic'
TONS" which now loomed up before us with !
the form of sharks teeth. Passing .
eharp butte about one thousand feet In
height, the geoiogists were somewhat puz'
zled in regard to its formation. The rock
resembled bassli, but presented soft sand
stone appearance on inspection. Mr.: Ste'
venson having made the ascent, reported It
TO Ike an extinct volcano.
After dinner, = party WAS organized to
explore this interesting discovery. Cross
ins the plain, We made the ascent after
climb Of half On hour, and were we'll repaid
for our cfforts. A narrow wall of igncous
rock. about fifty feet in thickness at
the crest. cncirclesi the crater, the bottom
of which was on level of the plain We had
left tclow. The circle WAS broken on the
side facing camp, thus showing the d'rcc'
,iou of the lava flow and explaining the
geographical phenomens which had mysti.
fled 10 at first. Professor Bradley said the
bssal.ic overflow had taken place under
water, and, d,sintcgrated by the rapid cool
ins, had formed volcanic sandstode when
cementcd. The formation is of rare occur
renee and win add another feature, besides
the discovery # the ''Qucbec Group," In
the Geographical report. Stopping to rest
after our climb, . beautiful Landscape spread
out before us. Henry's Fork. with It's tri'''
u,.rics. w"unl across the plain. and wal
los, among the hills beyond. The jagged
rock. y, the f,Ot Of the mountain on which
we were stood out in lD!d relief. assuming
fantastic shapes, one Of which we called
..Kcnilworth Castle," from its resemblance
IT, that noble ruin. Continuing round thu
rim of the crater 10 the other side. S"sk'
River proper stretched across the valley I'll
l,s. IL the view. pursuing it, course Z"
ward the great Pacific OCEAN. We nov
descended into the crater. and. "a We siN"
in tho centre of the miniature prairie,
was reminded IT the crater "f POzz0h, nea
Naples, the sulphurous smell from the s:''
active cave uf that v..lcsnO alone l'ein
wanting to complete the resemblance.
The dimensions of the dcpressions o.
sb. ut half mile hing by . quarter Wild.
! and. with iis ocky sitles broken ny IN
wear Of time. it presents the sppesrsscs Il
. ruined amphithca,re. Leaving the m"un
tain Nv this aide We desccnded tO the rive
, feeling A,mewhx, thirsty after sm"k'ng ~
: pipes while gazing NJ the view.
Making n .lctour ar,und tho ba<e IT ~
mountain We approached ''KcnilwOrth ca
tlr." md we're even more struck with u
resemblance on nearer view. Imagine ~
- sur,,r,sc, ups.n h",king At what correspond
70 the .'bsnquttins hail." u isnd the IT.
of the rock cuvcrvi with Indian skcsehe
! cut into the suft sandstone. There We
l,uffaloes. elk, horses. deer. wnrr'.'rs,
with m accuracy that Ieft No doubt ut q
', originals The whole was connected l'y
series ~ hicrcg,yphics illustrating s"r
his,,rjc., cvcm,. We studied these siS''r
2 of savage ar,i>,s with grsi interest. ii'u
~ y ,rsting 10 they did, sst In iis primitive 81
= fully ~ wSls asdid the works of Tive '''as's
= xhich huWe q. the walls At tks famous q
Tie after whtcls re hsd nas'ssd this spH. .
-. u~rjod when ar, hnd reached t's nei'
We sriesl ao arrive q she date wlse" TIL
oS carv:nRs we're made. hot had only the slSs