The Wallace miner. [volume] (Wallace, Idaho) 1907-current, 1919-09-18

ho-Carbonate Hill, near Mullan,
and its subsequent develop
ment seems to fully Justify the
extensive plan of operations un-
dertaken by w, d. Greenough, and
promises to reward him for his cour-
age in entering an improved mineral
section of the district. Without OPP
orators Of this type, the field Of mining
operations would be greatly restricted
and vast mineral resources of the west
would remain undeveloped. Many
years ago when Mr.. Greenough was
resident of Mullan he was attracted
by the remarkable surface showings
of the properties now combined In
the Idaho Carbonate Hill Consolidat-
ed Mining company. showings which
have every evidence of being the
Gaping of large ore deposits. The
only unfavorabe condition was the
st. Regis formation, but as the gov
ernment geological reports indicate
that this Is underlaid first by Revett
and then by Burke formations, 1t was
simply question of the requisite
capital in the hands Of a man with
sufficient nerve to spend it in explor-
ing the ground at depth. Mr.. Green
ough was the man, but he did not
take up the enterprise without FIRST
making il thorough geological study
of the ground. This was conducted by
w. Earl Greenough and was an ex-
haustive investigation Of all elements
that could have a bearing on the
az estion of probable ore occurrence.
The. conclusion reached justified the
undertaking and work was started on
November 49, 1917, and has been go
ing forward without interruption up
to date with the exception of from
December 1, 1918, to May 1, 1919, when
war conditions made a temporary sus-
pension necessary.
Ore on 400 Level.
The old Carbonate Hill tunnel was
practically reconstructed and en-
larged, and a large chamber was ex-
cavated to accommodate a modern
hoist. The shaft was started from
this level and at a depth of 400 feet
a crosscut was run and other explor-
atory work was DONE but without
three months ago a diamond drill was
placed on the 400 and holes drilled in
the most probable directions but
without finding the desired ore body
The last hole was drilled in an easter
ly direction from the shaft and at a
distance of 160 feet 1t encountered
ore which proved to be about feet
in thickness. On August a cross
curt was started to confirm the work
of the diamond. In just one month,
on September s, the ore was struck
and proved to be a strong 5 feet of
excellent grade lead silver with very
little zinc. In conversation with Earl
= Greenough, under whose management
= the property is being developed, few
days after the strike was made. he
stated that drifting had advanced
about Is feet and that it was then
simply a question Of proving the ore
shoot of sufficient length to insure the
u making of a mine. The formation is
: still st. Regis, and If the theory Is
. correct that Revett and Burke will
u come in with further depth, it Is reas.
enable to expect improvement in The
, ore showing when lower levels ART
: opened.
:. Addition to Productive Area.
" If further development Of the Ida
y ho- Carbonate Hill proves the per
~ manence of the ore body, which nov
seems reasonably assured, 1t mean
an important addition to the produc
tive mineral area of the Coeu
III d'Alene district. 1t will give pro
. nounced impetus to the development
e. of other properties on the south sid
lie of the river adjacent to Mullan whic
he have the same formation and tn
s. same large and favorable outcrops
n