Gunnison news-champion., 1921-11-25
TELLURIDE Is BEST GOLD
MINING CAMP IN STATE

Ihe following write up Of the Tellu-
nde mines and reduction plaiI.S was
taken from : circular gotten I'D BY
the State School Of Mines, and viii
give our readers a better understand
ing Of the big mines Of Telluride than
they have ever heard
Telluride. Colorado has the distinc-
tion Of being the most active mining
camp in the state AZ the present time.
For this condition two reasons may be
given: FIRST, the values in the ores is
largely gold and silver; second, the
ores have for many years been treat
ed in large and excellent coneentrat-
ing mills
There are three mills in this district
those Of the Smuggier-U Union Mining
Company, The Tomboy Gold Mines
Company. and the Liberty Bell Gold
Mining Company. The last named
company has suspended operations be-
cause OF the exhaustion Of ore re-
serves.
The Smuggler-Union Mining comp
any controls the output of three mines,
the Smuggler. Humboldt and Black
Bear. On June "a. 1921, the Snug
gler- Union concentration mill was al
most destroyed By fin, the fiotation sec
sAN+AN b'-%Ak tt1AfAsAfAs 80 49,
Since that time the company has been
engaged in the erection Of 4 new ho-
tation plant which is now completed.
This new building is Of steel and con-
crete and is as nearly freproof as is
possible 20 get II and has 4 capacity
of 1000 tons daily. II is built in
three sections. one for the output of
each Of the three mines IL such an ar
rangement is found to be desirable.
The flotation plant is separate from
the rest of the mill where the crush
ing and table concentration are per-
formed. II was designed and con-
structed by Walter J. Reid, consult
ing engineer, and o. ]. Jashberg, chief
engineer.
The Smuggler-Union is now con-
centrating about 600 tons of ore a
day, three-fourths of which comes
from the Smuggler- Union mine and
one-fourth from the Humboldt.
Coarse crushing is performed at
the mine is a gyratory crusher to a
maximum size of four inches. At the
mill there are co Chalmers and Wilt
ans 1850 pound stamps equipped with
three mesh screens. The xty-stamps
deliver in 45-nch classihers. The
oversize from the classifiers passes
on TO two 6-foot by % inch Hartings
mills and one 6-foot by Az foot Mar
cy mill for fine grinding. The pro-
duct of these mills passes almagama-
ton plates and mercury trap where a
considerable portion of the gold is
recovered. The overflow from the
Atkins classifiers also passes over the
amalgamation plates. The combined
pulp now passes on to spigot classifi-
ers. The spigot or duct goes to Will
fey tables, where high-g grade lead
concentration is obtained. The tail
ings from these tables go to the flota-
ton plant. The overflow from the
spigot classifiers also go to the flota-
tion plant. To replace the stamps,
the company is now experimenting
with by Allis-C Chalmers ball mill,
operating in closed circuit with by
% foot Class d Dorr Duplex classifier.
the undersize from the latter passes
to the anlalagmating plates.
The flotation>plant is equipped with
twentyfour 16i foot Allen pneumatic
flotation cells designed by Frank AL
len, member of the company staff.
These cells are similar in style and
manner of action as those in the well
known Callow pneumatic flotation ma
chine. They are arranged in the Gus
tomary manner as rougher and clean
er cells, the rougher tails being re-