Gilpin observer., 1919-03-13
PERS|STENCY IS HANDSOMELY REWARDED

A strike Of more than usual import
ance has been made in the Graham
mine. located on the eastern slope of
Bobtail hill. near the famous Running
Lode mine in Black Hawk. owned by G.
f. Bolander and others.
Through arrangements with his part
ners, Bolander has In a most faithful
and systematic manner prosecuted de-
velopment work for several years. set
ting an example OF how the foundation
for permanent and profitable mining
| should be laid, and which example should
be followed by all who are engaged In
mining because. II this be done. failures
In mining would seldom be heard Of
Bolander long since learned that min
Ing for profit, that in a way would be
permanent. would have to be changed
very materially from the old style ..go-
pher system" scratching out the ore
as you go along without paying any at
tention whatever to the principal factor,
to keep the development work ahead
No mine is worth much as a perman-
ent producer without ore reserves which
are the very life of mine, as the ore
reserves are an assurance of larger
and more permanent production, as well
as continuous profit. Seeing clearly
that such change was absolutely nee
essary for obtaining the full measure OF
/ hos
tionally strong will power. grit and de-
termination, decided to continue to de-
velop the mine (not to ship a pound of
ore) as long as he could get something
to eat, or until he had fully ascertained
that the ore he hdd predicted to be
there really was there, and 1t is a great
pleasure to announce that he did stick
until his prediction came true and his
well-deserved reward is now in sight.
He followed the right system from the
beginning. He first started to develop
the vein to be sure that 1t was really
main vein of the true fissure type
and after having determined that 1t was
1 commenced proving up the ore.
The tunnel is now $50 feet long and
two shafts. both OF which are connect
ed with the tunnel about 500 feet from
the portal, being 100 feet deep to the
level and 40 feet below the level known
as the main shaft. The tunnel itself
showing ore practically the entire dis
tance from few inches to over 30 feet
in width, most Of which being principal
ly a concentrating product OF very
fair grade, and that mined in the course
OF development has been stored in var
ious places in the mine and bins out
side,
The greater part Of the tunnel was
driven through ground where the vein
Is making change from a heavily min
eralized quartz to sulphide ore. At num-
erous places in the tunnel level there is
a strong outcropping Of the good cop
per and lead ore but which at these
points is not yet in a uniform body on
account of 1t being in the change or
cap Of the more solid ore body below
|
and improving In regularity. width and
values has been proved by sinking n
winze and driving a drift as mentioned
below: A winze sunk from the tunnel
cap OF the real sulphide ore OF a high
er class Of the peacock copper and lead
variety. Bolander was not satisfied
with this alone, and in order to further
ascertain that this was the apex Of a
continuous ore shoot leading down to
the main body. he started to drive
drift from the bottom OF the main
shaft (about 46 feet east OF the winze
mentioned) and had not gone very far
before he broke through the easterly
edge-cap Of the same shoot as In the
level, and found the ore there not only
more solid and wider, but also spread
ing out In length. and II the shaft was
sunk a few feet deeper It would also
be In that class of ore. The width OF
the solid ore streak at the tunnel level
is about 6 to s inches. while at the
breast OF the DRIFT 40 rect below, IL Is
about n foot wide. From the ore in the
drift and winze at the level above,
known as ore shoot No. 3, sixteen sam
pies were taken from the different kinds
and which gave the following results:
Gold OF. Sil. oz Cop.% Id. %
o52 $3.50 1880 1910
A72 b30