Tonopah bonanza. [volume] (Butler City [i.e. Butler], Nev.) 1901-1909, 1909-05-22
uoNTANA-ToNoPAH.

rho Montana mill treated 924 tons
40 during the last week from
-,,oh the regular rate of extraction
.as secured. In the workings of the
.,oa 200 feet of development is e
Nrded.
oQO.foot leyel-The west drift on
40 Triangle vein was advanced
grepteen feet along a low grade
hody Of milling ore with the face at
.,0sent showing stringers of quartz
MT which carry no values, Eighteen
aches of low grade ore is exposed in
mo east drift along the Triangle
.u,t which was extended seventeen
sot Three feet of ore is exposed
| IN the westerly portion of the Tri-
angle stope at which point the work
has been confined. The central por-
non of the stope Is being filled with
waste. An average OF two and one
half feet of good milling ore is be-
Inc extracted from the Slopes on the
triangle vein over the east stope.
I65-foot level-An Advancement
ol ten feet through good milling ore
vas made in the west drift on the
Triangle vein. The face at present
shows about four feet of good ore.
The stope on this vein at a point
about eighty feet back of the face
shows an average OF eighteen inches
| Of good ore in the back which is
mixed with high grade. The usual
amount of ore is being extracted
from the Macdonald stope 1900 feet
vest OF the shaft, and no material
change is reported. About two feet
Of fair grade milling ore is exposed
IN the east end Of the stope on the
Iartha vein. This ledge shows up
IN the back OF the stope and is quite
an Improvement over the preceding
reports as the values have been low
grade.
515-foot level-The east drift OF
the Martha vein was extended
tventy-three feet during the week
the face showing about a foot Of
milling ore. The vein has faulted 2
lew feet to the north which accounts
for the present pinched appearance
The raise that is being sent mp OF
this vein at a point about seventy
eet back of the face Is now M
twenty-five feet above the track
having advanced twelve feet during
the week. Three feet of low grade
mill ore is exposed at the top of the
aise. The west drift on the South
Hln was advanced twelve feet. the
Zee showing three feet Of a fair mill.
grade ore. The raise sent up OF
4 bis vein has advanced three feet ant
S now mp fifteen feet above The
level. The vein is somewhat pincheC
It the top.
565-foot level The west drift OF
The South vein was extended flfteeI
feet along a body Of fair grade mill
Ing ore averaging about two and one
half feet in width. The east drift
which made the connection with thu
vinze from the old workings las
week has been continued to the cas-
and the face shows eighteen inches
Of good ore. The timbering in thu
ginze has been repaired and a lad
derway installed. The south cross
cut from the Martha vein was ex
tended seventeen feet, with numer
Gus stringers and spots Of good orr
being encountered In the last ten feet
An east drift has been started from
this crosscut, the face now exposing
a stringer ten inches in width OF higl
grade ore.
615-foot level-The west crosscu
from the main crosscut south of tn
shaft, was extended thirty-six fee
and the connection with the VIM
from the Martha vein sunk from tn
5l5-foot level, wiz be made durinl
The coming week. A stope drift
about twenty feet above the level
being sent out on the No. 2 Midwa.
vein, the face showing about twelv
to eighteen inches of milling ore. N
change is reported in the slopes o
the Macdonald vein below the leve
Or in the A B X and Martha stope
above the level.
765-foot level-The main mort
crosscut was extended sixteen fee
and is now out a distance Of 116
ieet from the shaft. The gas fror
the rock has caused corsiderabl
Of trouble, although the air pipe
have been laid clear to the face c
the c~rosscut.