The state herald., 1917-01-05

triots and the Arkansas river dredgs
district produced s1.7eo.ooo In gold. T.
0so.0oo ounces Of silver, 21.ooo.ooo
pounds Of lead. s.eoo.oo0 pounds Of COP
per. and 100000 pounds Of sine.
with total value Of $15.600.000
against 3a.24e.1s2 In gold. 2.b71.oo2
ounces Of silver, 2o,957. .404 pounds OF
lead. 1.s03.423 pounds of copper. and
72,49s.17s pounds OF sinc. with total
value of $13,s39. .401 In 1915. The sew
eral ambitious drainage operations by
pumping already have resulted in ship
ments Of manganese-silver ore from
the downtown district. and Of zinc car
Donate from the Fryer Hill district.
and the Carbonate hill drainage will
unwater zinc sulphide ores already
partly developed. The output Of zinc
carbonate was 100000 tons Of 21.5 per
oent, against s2.592 tons of 22.48 per
cent In 1915. The zinc sulphide smelt-
ing and concentrating ore was l15.ooe
tons Of 81 per cent, a. compared with
1855 tons Of 23.o9 per cent in 1915.
The Derry Ranch dredge. below Malta,
continued operations during the year.
The San Juan region Of Dolores. La
Plata. ouray. San Juan and San Mig
uel counties. produced 100000 in
gold. 100000 ounces Of silver. 10000.
900 pounds Of lead, 100000 pounds OF
copper. and 100000 pounds Of zinc.
valued In all at $e.so0.o00. against 3d.
ss%.621 in gold. 2.27s.201 ounces Of sill.
yer. 1l.sl4.s6s pounds Of lead. 3.5l7.462
pounds Of copper. and 1.ss2.ss4 pounds
OF xinc. having total value Of 36.2l0..
ls< In 1915. San Miguel county main
tanned its yield of over $4,000. 900 gold
and 100000 ounces of silver: the
yield Of lead in Dolores county In.
creased but the output Of. the other
metals decreased. San Juan county
produced less gold but made gains In
the yield Of al the other metals. La
Plata county's gold and silver yield
decreased considerably. The heaviest
decrease (S722.ooo for gold. 10000
ounces Of silver and $4,000 pounds of
copper) naturally was shown In Ouray
county, where the Camp Bird mine
and mill were closed down In August
to await the completion Of the low
level adit 10.70O feet long. which will
cut the Camp Bird 450 feet below the
present deepest workings and 800 feet
below workings Of the next most i'm
portant section. The adit has been
driven several thousand feet In 1916.
but will not be completed for twenty
seven months from the time work on
II was begun. The Wanakah copper
mating plant at ouray, active in 1915.
was idle in 1916.
Boulder. Gilpin and Clear Creek
counties produced 100000 in gold.
$4,000 ounces of silver. 100000
pounds OF lead. 100000 pounds
OF copper. and 100000 pounds
of zinc. as compared with $1.2i9.S94 In
| gold, 790.OG5 ounces Of silver, 4.00S, ,744
pounds OF lead. 1.094.012 pounds Of
copper, and 1.bl6.0s2 pounds of zinc in
1915. Boulder county maintained It's
1915 yield except for gold. there being
a decrease Of $4,000 for that metal.
Clear Creek county's yield for all met
ais increased somewhat. and Oilpin
county maintained Its 1915 yield.
Chnffee county's gold. silver and
lead output fell off. but its copper and
zinc yield increased. The Pitkin coun.
ty tAspen) yield was $4,000 ounces
Of silver. and 100000 pounds OF
lead. an Increase OF 121 900 ounces Of
silver, but decrease OF 100000
pounds Of lead.
The yield OF Creede Mineral coun.
ty) showed Improvement over 1915. as
did also Gunnison and Hinsdale coun.
| ties.
Summit county's production was
100000 In gold. 100000 ounces OF sill
yer. 100000 poundo Of lead. $4,000
pounds of copper. and 10000 pounds Of
zinc. as compared with sGs0.ia In
gold, Gi,223 ounces OF silver. 1.9l6.2ss
pounds OF lead. and s,5s7.41l pounds
OF zinc In 1915. The four dredges at
Breckenridge produced about the same
output ns In 1915. and the shipments
OF zinc from Breckenridge Increased
heavily. There was n revival OF min
Ing at Kokomo. Robinson and Monte
zumh.
Eagle county made the largest out
put since mining began at Red Cliff,
in 1879. The output of zinc was 49,
100000 pounds. us against $50
pounds In 1915. The Eagle M. & NJ.
Co.'S magnetic separation wet concen.
tration mill was actively operated on
ore from the Iron Mask mine. and
large quantities Of zinclead ores were
shipped from the Black Iron mine. The
Brush creek silver district was also
| active again.
Lode mines In Park county made an
appreciably increased output. particu'
inrly Of gold. but the placer output de-
creased somewhat. The London mine.