Tonopah bonanza. [volume] (Butler City [i.e. Butler], Nev.) 1901-1909, 1909-09-04
MINING.

total Of S66h feet of develop
an work was recorded in the un-
,,,oround workings of the Tonopah
uning company during the week.
mo Mizpah is credited with 1854
sst. the Silver Top with 142 and
No Red Plume with sc feet. The
,opth station at the 1500-foot point
n the Mizpah shaft is being cut and
now in about II feet. The north
rosscut at the 150G-foot point is in
l about eighteen feet with nc change
the formation, rhyolite and dacite
el showing in the face.
The regular stopping operations
ae being conducted on the 200 and
20o.foot levels on the Mizpah and
Mizpah fault lodges.
4OO-foot level-The south cross
rom the main east drift was sent
ahead during the week for prospect
ng purposes. The face is in ande-
site. The northwest drift under the
Nizpah fault is in broken quartz of
practically no value.
5O0-foot level-An east drift has
been driven from the northeast
aosseut from the main east drift,
which Is following from two to three
feet Of broken quartz carrying low
values. The south crosscut from
the main east drift, 100 feet east
Of the shaft, IS being driven for the
purpose of trying out the footwall.
The north crosscut, which Is being
driven from the inter level between
the 500 and 600-foot levels west OF
the Brougher shaft, has interested
two feet Of quartz carrying mil
values. This quartz was lying OF
the contact between the rhyolite an(
daclte.
Stopping IS being carried OF
throughout the mine on the yariou
levels east and west Of the shai
and Is producing the usual tonnage
Red Plume-The north crosscu
from the east drift on the 60O-foo
level. has intersected between on
and two feet Of quartz earryin
values. The ~crosscut is being sen
ahead further to the north for pros
pecting purposes. The west drift
which has been showing some mil
ing ore during the past week, ha
lost the same on a fault. An effoi
IS now being made to pick up tn
vein extension to the west.
Silver Top, 14o-toot level-Th
vest drift from the south crosscl
IS being sent ahead on from n I
two feet Of quartz carrying low va
ues
340-foot level-The south eros
cut ls being continued from 4
main east drift for the purpose
trying out the footwall. This HI
passed through s%tringers varying
width from one TO two feet, cairyir
low values.
440-foot Ieyel-The drift bell
driven to the west on the footws
ledge under the west stope, co
inues to show from 8 to 4 feet
milling ore. A south c%rosscut is
ing driven from the main west dr.
into the footwall. From the sout
east of this a raise is being sent
TO the stope above. All ore fro
this section Of the stope will now
handled through the raise. T
south crosscut from the main e'
drift continues to show andesite.
640-foot level-A south crosse
has been started from the. west e
Of the main west drift. This is
ing driven for prospecting purpoi
and the face shows andesite. I
regular stopping is in progress on
the levels on both the Valley Vi
and Silver Top veins.
During the week $3.50 IONS of
was shipped to the mill at Mile
At the mill the average number
stamps dropping totaled So.
total amount of ore treated reacl
1850 tons, from which the reeoy
reached 90 per cent. The ore aN
aged $40 per ton. Thirty tons
concentrates were shipped VIII
were valued at $3.50 per ton. FL
four bars OF bullion were extraC
Of a value OF $500 per bar.
NORTHUMBERLAND.
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