The Arvada enterprise., 1914-07-16

( pounds OF copper, 29.2SG, 1873 pounds OF
lead, and 93.S42.857 pounds Of zinc
representing 79 per cent Of the state
yield), with a total value Of $9.919, ,433.
as against $i1,7SO,l31 in 1912. The
output Of zinc carbonate was 135.76O
tons of 27.45 per cent zinc, against
1912 tons OF 29.2 per cent In 1912.
The production of zinc sulphide
shipped was 94,636 tons OF 23 per cent
zinc. as compared with 104.148 tons OF
"a per cent In 1912. Other classes OF
ore from Leadville showed little
change from 1912. The zinc carbon
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. 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 lin
some casesl 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
gucl counties produced s4.072. 400 in
gold. 2,7Ga.08O ounces Of silver, 3.373..
935 pounds OF copper. 2l,74O,5O2
pounds OF lead. and G.sG7,4lO pounds
OF zinc, as compared with $i.115,345
In gold, 2.562,O96 ounces of silver. g..
0Oo.173 pounds of copper, 20.752.l5G
pounds of lead, and G,375,O73 pounds
OF zinc In 1912. There was an increase
for gold OF 1888 in Dolores, $l77, 500
In La Plata. and $l3i ,O3S In San Juan:
and decrease OF $9O.2l3 In Ouray,
and s2G9,S63 In San Miguel. There
was an increase for silver OF 1851
ounces in Dolores. 165,435 in San
Juan. and 73.174 In La Plata, while
there was decrease OF 1Oo,Gl;
ounces in San Miguel county. Dolores
county Rico) made n large increase
In the yield OF copper, lead and zinc
but the production of lead lei. Off
heavily In San Miguel and Ouray
counties.
Chaffee county produced $3l2.S9e in
1 gold, lGS,9S5 ounces of silver, 81 l5,Oll
pounds OF copper. 2.9S9,5aO pounds of
lead. and 2.l2l.9i7 pounds of zinc.
with n total value of $7ll.157, Ms com.
pared with $279.3S7 In 1912.
Boulder county's yield Of gold bul.
lion decreased almost one.half ami
there was also decrease of 1900
ounces OF gold In ores smclted. but
the silver output increased 90,0i9
ounces, and the lead l03.67S pounds
The total value for 1919 was lSo.33O,
as compared with $lS1,333 In 1912.
Clear Creek county's output wa.
$432.is9 In gold, 4OS,527 ounces of sill.
yer. i2G.S93 pounds of copper. $685.
6li pounds OF lead, and l,4So,jIS
pounds of zinc, with a total value or
N.00i.72G. MS compared with $l.02S..
lGc In 1912. Gilpin countys Output.
decreased s217.iOi In gold and 42,9oS
ounces OF silver. with decreases for
lead and copper. the total value being
$.oS5.7i0. as compared with $780,
79G in 1912. Ore mined In Gilpn coun.
ty through the Newhousc tunnel has
been properly accredited to G!lpin
county.
The Pitkin county tAspenl yield
was oG2.30S ounces of silver, and II,
52S.3S6 pounds of lead, an Increase OF
33S0i ounces and 9.l23,O53 pounds.
respectively.
Creedc tMineral county, produced