Imperial Valley press., 1914-08-28

cid tailings yielded $197S50 in gold,
or 1882 a ton. OF the lotal recovery
of goid in bullion from ore treated at
gold and silver mills, $1,025,270 was
won by direct cyanidation and $7443,-
oG6 ty amalgamation. The total re-
covory of gold by the cyanide process,
including that recovered by the treat
men Of old tailings, was $1,2S9,353.
The production of silver at mines
in California in 1918 was 1,37S,399
fine ounces, valued at S832,553, an in
crease of 1928 fine ounces in guam
tity ard of S32,969 in value. Much
the larger portion, 1,15S,517 fine
ounces. valued at S699,745, was de-
lived from crude smelling ores.
Shasta county, as usual, was the larg-
est producer Of silver, making an out
put of 705,634 fine ounces, valued al
1926 20S, from the smelling of cop
Per ores, 1926 fine ounces from silic-
eouS cres, 145 fine ounces from plac-
ers, ard ninety-nine fine ounces from
lead cres-a total yield for the county
Of 74l,773 fine ounces, valued at
$44S,031. The deep mines of the state
produced l,343fO20 fine ounces of sill
Yer, valued at SSl1,1S4, and the plac
crs produced 35,379 fine ounces. valued
at S2l,369.
The recoverable copper obtained
from California ores in 1913 amount
ed TO 34,575,007 pounds, valued at
S5,359,l26, an increase of 1923 1856
pounds in quantity but a decrease Of
S160,!G0 in value compared with 1912.
The decrease in value is due to the
lowe: price of copper in 1913. The
largest production came, as usual.
from Shasta county, which produced
. .27,0t4,237 pounds, valued at $4,191.-
866, ;n increase of 2,425,747 pounds in
quantity and S129,SO6 in value COM
pared with 1912. The next important
copper producing county was Gala
veras, which yielded 5,S23 ,226 pounds,
valued at S902,6OO.
/ The recoverable lead obtained from
California mines in 1913 amounted to
3,5l4,"42 pounds, valued at S154.631
an increase of 2,369,611 pounds ir
quantity and $103,119 in value over
the reduction of 1912. Inyo county
was credited with 3,246,432 pounds,
valued at S142,S43, and San Bernar
dino with 237,48O pounds, valued at
$10.449. These two counties produced
nearly all the lead output of California
in 1913.
In 1913 only two counties in the
state reported a production of zinc
These were Inyo county, 963. SIT
pounds, valued at S53 $50. and Shasta
! county o2,q14 poIhds,I ,,aIued at
S5,259. or a total of 1.057,485 pounds.
valued at $59.219. This was a de-
crease of 3,288,1O6 pounds in quantity
and s240,627 in value compared with
1912.
The quantity of siliceous ore mined
and treated in California in 1913 was
Z'03l,429 tons, having a total recov-
cradle value in gold and silver of
Sll,397,l94 and in all metals of Sill
415,261. This is an average value of
So.6l a ton in gold and silver and
$5.66 a ton in all metals.
The 448,439 tons of conner oros
yielded total value in gold and sill
yer Of $824,477, and in all metals
$6,O90,696. The average value in gold
and Silver was $1.S4 a ton, and in all
metals Qncluding the copper $13.58
q ton.
There are 14,267 tons of lead ore
trea1eo, having a recoverable value Of
Sl6O,.S4 in gold and silver and total
value in all metals of $329,765. The
average value per ton in gold and
silve' was $11.24, and in all metals
SPILL
There was no gold or silver oh
tanned from the 1923 tons of zinc ore
shipped.
The two largest deep-mine gold
camps are Grass Valley (including
Nevada City,, in Nevada county, and
jackson (including Sutter Creek. in
Amador county, and it is due to these
two camps that the counties of Nevada
and Amador ranked first and second
respectively in 1913 in gold produc-
ton. In the Jackson district 448,269