The Dolores star., 1914-07-24
c0l6IlAD0M METAL PRODUCTIONIN 1879
TOTAL OUTPUT PRODUCTIONS
cRgAeGo. OUT siIvGR. coppeR AND LEAD iMcRgAsgo.

W><~s6 9Ss~S 9sS~ S<sNs~~s
Wsshinstoa. The cutput oe Colora
% mines during 1913, according u
Charles w. Henderson, oe the Unite<
States Geological Survey. was t1S.1s6,
ole In gold. s.325.2 5s ounces Of silver
07.62o.3gt pounds Of lead: 7.29S.2 &c!
pounds OF copper. and i19.34G.l2.
pounds Of zinc lin terms Of spelter and
sine In sinc oxide). with total grosa
value Of recovered metals OF 335,44s.
EOS. q compared with s37,320.9CG In
l9l2. o decrease In value for 1913 o.
ei.S7l, 6Gs. or 8 per cent. There was
. decrease Of sifi,GiG in gold. an IN
crease OF l.i13.lS5 ounces OF silver, an
increase OF l2,37s.os7 pounds Of lead
an increase OF I9o.96G pounds OF cop
per. and decrease OF l2.s76,3S5
pounds Of zinc. The heaviest decrease
In value was s2,439,97i for zinc. but
there were increases OF $685.. 031 for sill.
yer and S469,394 for lead.
The tonnage treated by the Globe,
Ieadville. Pueblo. Durango and Salida
smeltcrs from British Columbia, Can.
ada, Colorado. Idaho. South Dakota,
Utah. and other states. including a
considerable tonnage Of zinc residues
from Kansas and Oklahoma zinc smell.
tiers, showed small Increase for the
year. An increased tonnage from Col.
orado was shipped to the Garfield.
Midvale. and Murray plants In Utah.
Cya:.ide precipitates and ore were
oh A. A.. 1.. Ia.
United States Zinc Companys mag.
netic plant and zinc shelter at Pueblo
was operated steadily on zinc-lead
ores from various counties In Colo
RADIO. and also from Arizona, Idaho.
Montana. Nevada. and Utah. The
Western Chemical Company's sui
phuric acid. magnetic separation, and
wet concentration plant. at Denver,
was operated steadily, as was the EN-.
pire Zinc Company's magnetic separa-
tion plant, Mt Canon City. both treat
ing chiefly Leadville lead-zinc ores.
The Sutton, Steele and Steele dry con
centration and static electric separa-
ton plant was operated throughout
the year on many tests lots and later
on custom ore purchased from various
districts In tie state.
Cripple Creek produced 60 per cent
Of the total gold yield OF the state,
with . yield OF s10,905,0O3, as com.
pared with S11, o0s.3G2 In 1912. The
output for II months from Cripple
Greek seemed to indicate production
for IL months of $ll.1SI,000, but the
severe storm OF December 4th SO Grip
pied transportation facilities that the
December yield fell off heavily. There
was m Increased yield Of gold bullion
from custom cyanidation plants ut
Colorado Springs and from the cyan.
ldaticn mills in the district, the de-
creased yielA being dwe to decreased
tonnage Of smelling ore. The Roosc-
welt tunnel continued to lower the wa.
ter level gradually. In the vindica.
tor and Golden Cycle mines electric
pumps were installed. Lower levels
were opened In various properties.
The Golden Cycle and Portland cy.
anidation mills at Colorado Springs
wcr operated steadily. The Portland.
STATIONS Independence. Ajax. and
several other cyanidation plants In
the district were operated continu-
ously. The Standard chlorination and
cyanidation plant ut Colorado City
was idle. but the Union cyanidation
plant. at Florence. was operated part
Of the year on old tailings. The pub
lie report OF the Portland company for
1918 shows total Of 1892 tons OF
IN average assay value OF s2.95 per
ton was treated at the Portland COM
pany's Victor mill. with satisfactory
net earnings. The STATIONS hide
pendence report shows n recovery OF
7S.4S per cent on ore averaging $3.07G
per ton. the cost OF working the mill
being Si.A6 per ton.
Lake county (chief1y Lcadyille. but
for 1913 including the new Lacka-
wanna district. In addition to Mig En-.
glish gulch and Sugar Loaf districts)
produced el,023.G31 In gold. 3.400.31s
ounces Of silver (Which represents 30
per cent Of the state yield. Lee, 1887