The San Francisco call., 1899-09-19

auartz 16BG-Necessary repairs being made
1850 The south drin on the sili moor wa was IS
from the stope 73 feet. On the fourth floor
of the west atope the small prospecting drift
turned TO the west and was run 70 rect
total length. 40 feet From the end OF TINS
drift south drift was carried along clhy
wall 20 feet. Nothing OF value was cut by
these drifts Have put in one set east on the
NTH floor and set north on the same moor,
ana are raising for sixth floor set. From these
sets we extracted ~ OF ore asshylng on
basis of gold value SIS 10 per ton and eight
cars of ore assaying on basis of gold value
SS OF per ton. 1900 eVel-The south 'dfltt mas
been advanced % feet; total length, 3l3 feet.
This drift is in ground and nearly
all quartz assaying SO per ton. The west cross
cut No. l started from the south drift so feet
from the winze station has been extended ID
feet; total length, 131 feet. The formation
passed through is hard porphyry, though some
what softer than at date of last report Main
shaft-Some repairs were made in the shaft
during the week The water to-day Saturday
iA 30 feet below 1850 station Total ore ex-
tractcd for the week, % cars, assaying $l8 10
per ton in gold and eight cars of ore OF
gold value OF So OF per ton.
In the Sierra Nevada mine, the 140-foot
level. the south drift, started from the main
west croescut opposite the north drift. was ad-
vanced 2B feet; total length 40 feet; face In
p6rphyfy md clay with seams Of quartz. West
crosscut No /. from the south drift from a
point 23e feet south from the main west cross
cut has been extended 16 feet: total length 40
feet. face IN soft porphyry, clay and quartz,
the quartz yielding assays from 81 50 to 50
per ton
The Ophr letter for the past week is fol-
lowe; The 1000 station Is being repaired and
the blower put In order and started and lS
feet OF the north drift has been reopened.
There several small caves in this drift,
and part Of the ground has to be retimbered.
The pump compartment OF the shaft has been
repaired in places and strengthened below the
bob stations. while one Of these stations Is
being stripped Central tunne-The joint west
crosscut has been advanced 10 feet; total
length i60 feet: face is in softer vein porphyry,
showing little clay and quartz. The timber
ing OF the north drift will be finished this
week. In retimberng the heavy ground in the
main west drift find a little and old
tunnel direct connection drift advanced
20 feet; total length. 445 feet; face in Soose
ground. We are near old workings that were
opened from the Ophir incline. The south drift
has been extended nine feet; total length. go
feet The face Is in hard hanging wall rock
with soft the east and west side
Of the drift. west crosscut will be driven
through the vein when the south drift has been
10 feet further south. Have not yet re-
sumed sinking in the winze from the north
east drift, some room had to be made for
the windlass and timbers. 1t will likely take
two three days work before sinking can
be resumed
In the Hale and Norcross mine the H. and
N. tunnel was advanced during the week and
the necessary timbering done for a distance
of 32 feet; total length $50 feet. From a small
seam of quartz passed through obtained
assay of 81 46 per ton, the gold portion assay
ing 80 06 per ton. The present face is in por-
phyry