Montana oil and mining journal., 1937-09-18

4 loaned money to several successful
Montana mining operations, including
/ Porter Bros, near Helena. Harrington
/ is also a member of the engineers ad-
/ ViSory board for the United States
( government; past president OF the
Mechanical Engineers society Of Amer
ica, and holds many degrees in engin-
eering. He was at one time chief en-
gineer and superintendent Of the
Bacyrus company which builds large
dredgeS
Born in Lawrence, Kan, in 1868,
Mr. Harrington rates an important
place in Who's Who in America. His
chief experience has been in bridge
construction and railroad retainerS. He
organized the firm of Waddell and
Harrington, consulting engineers, in
1907. He has built many bridges
throughout the United States and
other foreign countries, including one
bridge in the city Of Missoula in 1908.
James Walsh, a director, has been
a resident of Montana for 80 years.
He was international revenue collector
for this state for several years, and
is now engaged as an auditor at Mis-
soula.
o. D. Joiner, director, is a well
known st. Paul business man.
Vast Placer Area
Eastern capital from these men has
chiefly financed the exploration work
to date and a large sum has been eX-
pended in the preliminary work OF
testing and perfecting titles. Accord
ing to Mr.. Harrington, there are be-
tween 100 and 200 miles Of workable
placer ground, containing many mil
lions of yards of pay gravel, IN the
Big Horn and its tributaries. Inc
oil "a hank 0f
the river from the Wyoming state
line on the south to the reservation line
on the north, in addition to the Indian
leases on the east bank of the river ana
both banks Of its tributaries within the
reservation. Big Horn canyon is ABOUT
loo miles long. ending about 10 miles
south of st. Xavier, near the site OF
historic old Fort Smith.
Coulter Made Report
According to C. C. Coulter Of Denver
,,,,,o made a reconnaissance survey OF 4
the CANYON in 1885, 1t IS one o. tne I
deem CANYONS of the United SsAves' 9!StN /
cutting its way through dozen eltIel- tlei,-
snt geological series, to depths ol itodi od
500 to $500 feet above the l.s.,.toySe Llver D11
re drainage is into the YelloWsgons5
LSS l;S,o,S - east of Billings The princlpal
lrih,,taries are the Little Big HoIn,
. 5orcunine. Devils, canyon, Big ana 1
SttSe u,'Ii EISs and Black canyon, all
LILY s.loSI0 +Le east and from the Big Horn
range. ooo foot
Rig Horn varies from 100 to 5OO IeeC
,,;r5a 1Jae Normally. the flow of the stream
Z : at 81 the rate of from two to seven
niles Der hour. Floating dreogeS .,e ae
sxnected to encounter no SN:tn serious
-rouble in working the river oep'0''A'''
Source of Gold
r. ,s considered that the true source
# the Big Horn river placer selu senslo,.S -
Almost wholly derived from M auInSIo TIo,o osso
1uartz veins in the mann blg htUrn tSII1a
'ange. as well as those OF sliIlllah sIt uyfo
~ ne PRYOR range, lying TO tne weSC-
- Ill VI Toe Glaciers varying in thick
,ess from 500 to 1900 feet exist tooay
n the higher parts of the Big Horns.
1snev have areas now Of from ~ 70
e enuare miles each, at altltuoeS oA
rorn 900 to 10000 feet but they are
,ow hIIt small remnants OF their lor-
ner size. They have left immense
facial moraineS consisting OF ollnonS
f tons of thick drift and tr1turateo
ocks wherein the gold has been con-
by the action OF WAFER
Claim Unusual Values
Chief values are found in the bed
t the river at depths as great as ~ !
aet. 1t Is proposed 10 wash Ol4S DCAASt.SS
Y hydraulic operations, pumping, the
iater from the river to wash down :
he gravels on the canyon walls. Inc
gravel on the Crow Indian
aseryation lease is estimated by Coul-
sr at 92,OO0,OOO cubic yards. Coulter
sported average values Of over 90
ents per yard. Subsequent estimates,
ased on drill testing, give a far larg- !
Z average, and all indications are I
nat the Big Horn deposit will average
V far the richest ground for the :
mount of available yardage OF any :
1und in Montana in recent years. !
Reports of fabulous values have
rown out of assays of concentrates s
rom drill cuttings. DR.. George A. {
1indsor of Livingston took the. black
md and gold from one drill hole and I
ad it assayed The 225 grams OF con-
entrate ran $7957 per ton. Other fire t
ssays have been confused with the t
ield of a yard Of gravel in reports t
minating from the Big Horn country {
ut the conclusions of the corporation f
ngineers are not based on freak values i
er yard of gold recoverable by placer '
cI.- -