The state herald., 1914-07-24

4 pounds o: copper. 29.2S6,lSS pounds oi
lead. and 93.S42,SI pounds Of zinc
representing 79 per cent OF the state
yield), with total value of s9,919,433
as against s1l,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
shipped was 94.636 tons of % per cent
zinc. as compared with 104,l4S 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.
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
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 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.
Tbs San Juan region of Dolores, La
Plata, ouray, San Juan. and San Mi.
guel counties produced si.072,i 400 In
gold, 2.769.0S0 ounces of silver, 1878.
1886 pounds OF copper, 21,7i0,502
pounds of lead. and G,S67,41O pounds
of zinc, as compared with s4,1l5,345
in gold, 2,5t2.O9 ounces of silver, g..
OOO,173 pounds of copper, 20,752,15G
pounds of lead, and G,375,07S pounds
of zinc in 1912. There was an increase
for gold of s5,5s3 in Dolores. si77,5OO
in La Plata. and sl3i03S in San Juan;
and decrease of s9G,213 in ouray.
and s2G9.S63 in San Miguel. There
was an increase for silver OF 1881
ounces in Dolores. iG5.i35 in San
Juan. and 1914 in La Plata. while
there was decrease of 102,Gls
ounces in San Miguel county. Dolores
county (Rico) made 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 1912, 2,S92 in
gold, l6S.9S5 ounces OF silver. si5.0li
pounds OF copper, 2,9Se,5s0 pounds OF
lead. and 2,l2l,9i7 pounds OF zinc.
with n total value OF s7l4,l57, as com.
pared with s279,sS7 in 1912.
Boulder county's yield OF gold bul.
lion decreased almost one-half and
there was also decrease OF 1900
ounces OF gold In ores smelted. but
the silver output increased sO,Oi9
ounces, and the lead, lO3,G7S pounds.
The total value for 1918 was iSs,s3O.
as compared with sisi 1888 In 1912.
Clear Greek eounty's output was
si32.isa in gold, 40s.527 ounces OF sil.
yer. i26,s95 pounds OF copper. s.sss..
6li pounds OF lead and l.4Sg.5Is
pounds OF zinc. with n total value OF
sl,oOi.72G. ms compared with si.O2S..
l5e In 1912. Gllpin county's outpu,
decreased s2r,ioi In gold and i2.ssS
ounces OF silver with decreases for
lead and copper, the total value being
si.o3b.7i0. as compared with 1880.
1s6 In 1912. Ore mined in Gilpin coun.
ty through the Newhosise tunnel has
been properly accredited to Gllpln
county.
The Pitkin county ASPEN Yield
was a62.30s ounces OF silver. and II.
52s.3SG pounds OF lead. an Increase OF
3i.Soi ounces and 9.i23.o53 pounds.
respectively.
Crcedc (MIncral county, produced