The San Francisco call., 1897-07-13

and clay with little quartz lying the footwal
assay ng 81 per ton; to al eng h SO feet
From upraise on the sill floor of this level iron
! the end OF the north drift, which had been ad
| vanced last week total distance Of 81 feet, we
| have worked upward 16 fact passing through
| quartz assaying $l6 IA per ton. This upraiss
| work shows some narrow streaks of fair er de
ore from " hich we have saved 22 tons, averaging
per minecar samples $a9 II per ton. The tota
extraction Of ore for the week amounted to %
tons, the average assay value Of which, per sam
pies taken from the cars when raised TO the sur
In the ophir mine, on the 1000 level, west cross
cut s. 125 ct north Of the shaft station is In III
lines OF quartz, which essays so cents per ton. In
the old central tunnel ground OF the ophir, from
the sill floor from the west crosscut from The Mex
lcAh shaf at roint 1872 feet In from Its mouth
the south drift has been extended 2 feet, passing
h;ouyh porphyry end quartz assaying 81 per ton
total length, lao feet.
In the siera Nevada mine the north lateral
drift 900 level has ben advanced 10 feet, total
length 2bl feet north from the Sierra Nevada
shaft; race IN porphyry and seams of clay. From
point 100 feet north from west crosscut SOC
ieve they started a wect GRO scut No. and ad
vanced he same 10 feet total length feet, lace
In po phyry. In the Layton tunnel wo kings OF
the Sierra Nevada east crosscut started from the
northeast drift at point 444 feet north from the
tunnel advanced 80 feet, total length l Is
feet; face in soft porphyry.
No work was done In II ale & Norcross or Chol-
lar ground on the Comstock lode during the past
week.
In the Potosi ground the Comstock lode the
south drift from the top of the upraise 100 level
has been driven ~ feet for the week. total length
Az feet; face in porphyry. On the tunnel they
carried the upraise above No. crosscut up feet,
Total height 6S feet: top In heavy ground large
part OF the week has been occupied in repairing
the shaft and in dead work at different points in
the mine Including the hosting of ore slowed on
the tunnel level. They hoisted during the week
"a tons and 700 pounds of ore, together with 112
tons and 400 pounds of ore already in the bins.
Inc Nevada Mill has started to work. The aver
age battery sample of two samples was: Gold,
$S "a; silver, fine ounces, 9 81; topcar samples,
gold 81 z6: silver. fine ounceA $12 rs.
BRUNSWICK LoDE-Con. Cal. & Va. Best & Bel
cher and Gould d Curry, shaft 2-Sinking has
been discontinued for the present in order to put
IN chute and cut out station for the 600 level.
4 he east crosscut on 800 level started 2S6 feet
from the shaft In the south drift has heen ex-
tended 23 feet total length 3O6 feet; face In por-
phyry, clay and quartz East crosscuJ 8 started
in the SOU b drift l15 feet south from crosscut 2
has been extended 81 feet total length 152 feet,
face in porphyry showing some quartz
CHoLLAR-Shaft has been sunk 10 feet on the
slope during the week and Is now down $50 feet
on the slope or 30 fee. on the slope below the 600
level, bottom in porphyry. The Slopes above the
$40 level continue to yield about as usual and they
are uncerstoping in the win re below a streak Of
good ore. On 400 level they are working south on
the ninth and twelfth floors In good ore and from
the hfth TO the seventh floors north where the
grade is fair.
500 level-No. crosscut was advanced 1S feet
work the week; total length "a feet. 1t has been
run through hard porphyry. but Is softer in the
face and shows seams of quartz Of low grade. The
south drift has been run 19 feet through hard
porphyry and quartz assaying 81 per ton. and is
started rs feet of north crosscut is down "a feet
advanced during the week 10 feet; bottom in
soft porphyry, with small streak of quartz as
saying from So to $50 per ton. 600 level-The
main south drift has been extended 19 feet and it
is now in "a feet south of the Cholar north line;
face in hard rock with the footwall exposed on the
west side of the drift.
All work was suspended on the 9th IN the mine
They extracted and shipped to the Nevada mill
106 tons and 1000 pounds of Average car
sample, $l4 81 gold and IA 80 ounces of silver
Wagon samples, gold $l4 Oh and 1851 ounces Of
silver. They shipped to the United States Mint at
Carson two bars Of bullion Of the par value of
$77l6 19, of which $3469 0l was gold. This was
the cleanup for June.
Occidental Con.-The official letter says: $50
level-West crosscut 2, started 900 feet south of
No from the tunnel level, has been extended 8
feet. Total length, l33 feet, face in hard por-
phyry. The upraiss from crosscut has been ex-
tended 1S feet Total height 243 feet, top in low-
grade ore. The winze started from No. l west
crosscut has been sunk 10 feet and Is down l35
feet bottom in ore assaving about $5 SO per ton.
63U levei-Main south drift has been extended %
feet. Total length 446 feet, face in grade ore.