Gilpin observer., 1914-07-16

pOuluS ol copper, IS,EoO,lo PouuoS Vi
lead. and 9S,S42,s57 pounds of zinc
Representing 79 per cent OF the state
yield), with a total value of $9,919, ,433,
as against $11,7sO,131 in 1912. The
output of zinc carbonate was 135,760
tons of PAS per cent zinc, against
142,7S2 tons of 29.2 per cent in 1912.
The production of zinc sulphide
zinc, as compared with 104,14 tons of
"a per cent in 1912. Other classes of
ore from Leadville showed little
change from 1912. The zinc carbon
ate ore was treated at zinc oxide
plants and zinc smelters in Kansas,
Oklahoma, Illinois and Wisconsin.
The larger part of the zinc and zinc
lead sulphide ore was first treated at
the sulphuric acid plant and magnetic
separation and wet concentration
plant Of the Western Chemical Com
pany of Denver, at the magnetic sep
aration plant of the Empire Zinc Com
pany at Canon City, at the magnetic
plant Of the United States Zinc Com
pany at Pueblo, a small tonnage be-
ing treated at the Leadville district
mill by wet concentration at Lead
vile. Zinc concentrates and the bal
ance of the zinc and zinc-lead sui
phide ores were treated at sulphuric
acid plants, zinc oxide plants, and zinc
smelters in Colorado, Kansas Okla
homa, Illinois, Ohio, West Virginia
and Wisconsin. Lead and iron con-
centrates from the milling plants and
residues from the sulphuric acid
plants and zinc smelters were Tin
some cases) returned to lead smelters
in Colorado where were recovered
part of the gold, silver, copper and
lead contained in the original ores.
The San Juan region of Dolores, La
Plata, Ouray, San Juan, and San Mi
guel counties produced s4,O72,4OO in
gold, 2,769,080 ounces of silver, 3,373,-
935 pounds Of copper, 21,74O,5O2
pounds of lead, and 6,S67,41O pounds
in gold, 2,562,096 ounces of silver, g.
O00,173 pounds of copper, 20,752, ,156
pounds of lead, and 6,375,O73 pounds
of zinc in 1912. There was an increase
for gold of 1888 in Dolores, $177,5OO
in La Plata. and $134,O3 in San Juan;
and a decrease of s90,213 in Ouray,
and s269S63 in San Miguel There
was an increase for silver of 1881
ounces in Dolores, 165,435 in San
Juan, and 1874 in La Plata, while
there was decrease of 1O2,61S
ounces in San Miguel county. Dolores
county (Rico) made a large increase
in the yield of copper. lead and zinc,
but the production of lead fell off
heavily in San Miguel and Ouray
counties.
Chaffee county produced $312,S92 in
gold, 16S,9S5 ounces of silver, 315,O11
pounds of copper, 2,9S9,59O pounds of
lead, and 2,121,947 pounds of zinc,
with total value of S714157, as COM
pared with s279,3S7 in 1912.
Boulder county's yield of gold bull
lion decreased almost one-half and
there was also decrease of 1900
ounces of gold in ores smelted. but
the silver output increased 9O,O49
ounces, and the lead, 103,67S pounds
The total value for 1913 was 1S9,33O,
as compared with .s1s1,333 in 1912.
Clear Creek county's output was
$432, iS9 in gold, 4OS,527 ounces of sill.
yer, 426,39S pounds of "copper" 3.999,-
GA pounds of lead, and 1,4S9,5IS
pounds of zinc, with a total value or
$l,O04,726, as compared with S1,O2S,-
16c in 1912. Gilpin county's outpu,
decreased s217,4O4 in gold and 42,99S
ounces of silver, with decreases for
lead and copper, the total value being
$l.O35.74O, as compared with $780,
796 in 1912. Ore mined in Gilpin coun-
ty through the Newhouse tunnel has
been properly accredited to Gilpin
county.
The Pitkin county (Aspen) yield
was 5G2,3OS ounces of silver, and H.
52S,3SG pounds of lead, an increase of
33,SO4 ounces and 9,123,053 pounds,
respectively.
Creede mineral county, produced