Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1891-08-25
GLACIERS IN DAKOTA.
COURSES or The MOVING ICE NOUN
-Alas EASILY TRACED.

Facts which Seem to show That tho
Missouri river Has Changed it, bed.
The Mystery ~ tn. old Limestone
iowidcr--whcnee com.th TheJ9
North Dakota presents a very attract
lvr field for every gcologist and man Of
scientific turn ~ mind. particularly In
The evidence n the glacial period that
lre 80 abunf li on every hand. The
hills. valleys. axes. rivers aud tho In.
Vulnerable powders that lie scattered
over the prniues. the fertile soils, the
crop thereon. the climate, fauna and
iofa all tell N the plainest language o.
the great changes md Influences wrought
BY the passage Of the glaciers southwark
Their effect on the conhguration Of the
Landscape have been tremendous, chang
ing and recor.'rncting the surface Of the
country on grand scale. The glacial
direction has been generally south and
wet
The granite powders. some Of which
are very large and show but few ov.
icncas Of grinding. are not 20 difficult TO
account Tor. but what ia puzzling 20 The
inquirer u the origin OF tho Limestone
powders that are proiusely scattered
among the granite rocks Limestone Is
tho product Of deposits Of auimals-or-
ganistns whose abode was In the occnn.
Where these limestone powders now
found on the prairica came from Is hard
to determine The origp of glacicrn Is
hlwayu IN elevations regions where
there are mountains and valleys
The vast and level plain lying north rs
far rs the Arctic ocean, including tho
Hudson bay country. over which tho
glaciers have passed. does not present
the conditions which arc necessary 70
glacial formation and progress, Proie5-
ior Hay thinks that different levels havo
existed from which were begun the gla-
rlor, that have passed over North Da-
kota.
THE OLD HrD or THE MISSOURI
The limestone powders which arc con.
tinnal puzzles 10 tho gcologist present
many evidences Of oceanic origin. There
Erc numerous fossil remains found Ia
thcin-mollnslss that lived In the old Vi
lurian age way back In the early peri.
DDS Of the formation VI the earih's crust
These powders mssl be Of very ancient
origin, because as far as noticed they
contain foesils Of tho early aud simpler
forms characteristic Of those craA
Among these fossils aro the trilobitcs,
one Of the coinmonest Of the extinct spe-
cics Of mollusks that 1ourishcd In palea.
soic times
The course o. the glaciers southwark
Is plainly marked east Of the Missouri
river. West of that stream there are few
or no deposits Of glacial drift Prinol.
pally on this account. Professor Hay
says that IL u not improbable that the
Missouri river once ran through tho
center Of the two Dakotas. possibly
where tho James river valley now marks
n long and noticeable depression In the
surface Of tho country, aud that the
present turbid and crooked stream hAA
been literally pushed westward to It's
present channel by the encroaching forces
Of glaciers slowly moving southwark and
filling up tho depressions Of the tract
covered with the materials conveyed by
them.
Tho great river, which has its source
In the mountains, fed by streams OF melt
ing snow and ice, probably ran eastward
as far rs DEVILS lake, before taking
It's old southcrly course. Tho only gla.
cial drift found west Of tho Missouri Il
near the mountains and came from thom,
while the drift east Of the river belongs
to other distant and different formations
onioIs or MANY LAKES
Tho present existing streams. valleys
and coolies have been formed by thu
washing OF great streams Of water that
have followed the melting Of tho glaoiors
The water flowing over the deposits left
by the glaciers carths and ahales that
were eoftened aud easily disturbed
washed out the valleys and left the pres
cnt uncomfortable streams such as III,
James aud Cheyenne rivers The drift
or diluyium deposited by the glaciers q
easily noticed In tho coolies and valleys
along the upper ridge Of which are sect
Accommodations Of bowlderh. The reason
why a line OF powders nearly Away
marks the top Of the slaia OF tho valley
Is that the other powders originally lef
/ va NA' WI NhlA'A away AANN aAAo bt'i
carried off by the rush Of water.
IL Ia not believed by Professor Ha,
that the presence OF the largo number Q
powders that lie piled thick on tn
shores OF many OF the lakes of this stat
can he accounted for by tho action O
freezing and thawing which has pushe
the rocks on the shore. He thinks tha
many OF the present lakes have been III
, stopping place OF glaciers. Some chang
, In the temperature arrested the progres
OF the ice field, which was again starte
forward by a sudden melting, Ind the d,
prossions left IN the surface, noored wit
. an unusual deposit Of powders, are no'
our beautiful lakes.
. THIS action OF the glacier can DO di
. tinotly traced in South Dakota, whoi
. there are, near Huron, several localiti,
showing distinct evidences Of where ii
glacier rested. loft It's monuments ,
4 rounded aud polished rocks to marx IL
, spot aud again moved under the inpe
!. ling heat Of the sun, The progress
/ this glacial march can be distinct
y traced from point TO point by lines
i bowldou and other indications known
2 biologists. jamestown N. d. Alert
!, a Mushroom over a Foot Thick.
- Investigation altntva that NEARLY all III