The morning call., 1892-08-29
Oh THE CONST0CK.
4 Report of Last Weeks Progress in
the Big Mines.

VIRGINIA CITY, Aug. 29-Appended will be
found the official letters Of superintendeuts of
operations in COmstock mines:
Cox. CAL. & VA. MINE-IIOO leyeI-The west
crosscut from The main north lateral drft, 3I5
feet north from the shaft station, has been ad.
Vanced 10 feet; total length 60 feet; IN por-
phyiy and clay fOUnstlOD. Our principal work
on this level during the week has been epaiIing
the main north drift. 1900 leyel-FrOm the
south drift AT point of connection with the old
slopes we continue TO extract some ore
and filings OF average milling value From The
upralse on the fourth floor, 30 feet above tho sin
h0or, which was carried up from the emu
Of the crosseut run west 3G feet IN
from the main south driit, 155 feet south
from the shaft station. We have continued 10
work upward aud 10 extract ore OF fair quality.
1000 level-We have continued prospecting uI-
ward from lie Old sill floor OF the old slopes,
from which some ore OF fair quality is being ex-
tIacted and have bern making some repairs 10
the main south lateral drift. 1850 eyel-Con-
tinued 10 extract some ore from The drift run
east from the WlnZe tNo. 81 Gown 13 feet IN
working upward fiom that pOInt; also some ore
from the old slopes al ihe north end of the
California ground. In working upward from the
drift run north from the bottom OF the wInZe sunk
Is feet In this last locality through the ola
timbers have continued 10 extract a Few tens OF
milling ore. 1850 leyel-In east crosscuts l. 9
ana . from the main south dfift, IN working up
ward from the sill floor, have continued 70 ex-
tract some milling ore. Have continued to ex-
tract ore OF average milling value at point where
the upr aise from the end OF the drifI runs south
IS feet from the end of the cTOSScut rus west
II ON the euG of the southwest DIM connected
with the 9t6 floor openings. From the end OF
this south drift SS feet from the crosscut run
west from the end OF the southwest drift an east
cfosscut has been adYanct 20 feet Gotal length
- feeD la porphyry, clay and quartz from
which q lew tons OF milling ore have been saved
haVe CONTINUED making repairs TO the south
west drift 1890 level-Aiong the south end of
the DRIFT running south from the crosscut run
east from the winZe sunk i0m The 1850 level
we have continued TO extract some ore & ON the
thHnOor upward or milling value. From the
crOsscut run EAST from the bottom OF winze .
down 40 leet at point 20 feet east from the
1au.. 10 ~ 1aRn
feet. total length 40 feet. In quartz formation,
from which few tons OF milling ore has been
saved. There has been extracted from all parts
oil the niue during the week 9S3 $4,000 tons Of
ore, which was shipped 10 tie Morgan mill, the
average value OF which per car samples was
S26 81 per Ion. The average ASSAY value of an
the ole worked at thar mill during The week
$50 tons, was S21 sS per ton per battery
samples. Bullion now on hand IN our assay
office, assay yalue about Sl4 1900.
OPHIR-1465 leyel-ETOm the south DRIFT IO1
feet below the sill floor OF the 1865 level at a
point AZ fee In from Its mouth the west cross.
cut has been advanced 8 feet; 10, al length 30
feet, In pofphyry with little quartz.
MENICAS-On the 465 level the west cross.
cut, which was started from the DRIFT run north
from the crosSeut run east from The bottom of
the wibIe sunk lo1 feet below the sill floor OF
this leyei near lhe south boundary OF the mine,
has been advanced 81 feet; total length 33 feet
continuing In poTpbyIy and clay.
UNION CoN.-9oO ieyel-Ihe joint Union Con.
and Sierra Nevada west drill has been
extended during the we Elk &c feet; total length
west from the joint shat 2349 feet The face is
In porphyry and small strngers OF quartz.
SIERRA NEYADA-Ihe west crosscut No q
KenOsba tunnel, started from north driit $50
feet 10, has been advanced 80 feet; face In hard
porphyIy and siringers OF quartz The joint
Sierra Nevada and Union west DRIFT 300 level
has been advanced during the week 26 feet;
total distance west OF shaft 2.349 feet; face In
soft porphyry aud small stringeTs OF quartz.
ANDEs-0n 420 level east crosScut / nd
vanced "a feet; total length SS feet; formation
quartz. Repaired and cased timbers in main
north dr!n between c. osscuts and D.
K lie Uaa bova
extracted from the old Slopes on the 200 and
400 levels % tons OF ore. giving a car sample OF
SIS 20 per ton. Sent To the Occidental mill 10
tons; crushed 100 tons; battery assay SIS O6.
On the Sujro tunnel level the Joint north drift
with the savage Company has been advanced
10 ieet and discontinued; total length $50 feet
BEST & BELCHFR-9OO level-DuTing tile past
week the north dtift from east crosScut L, 100
feet fom switch, has been extended II feet
through potpbyry, clay and quartz; total length,
102 feet.
HALE s. NoRCRoss-we continue retlmbering
main shaft above the 100 level. Main iucine-
Are making the necessary repairs. 1900 level
During the week advanced and tmbered the
north DRIFT 20 feet; total length. 140 feet. The
south DRIFT on this level was advanced % feet
making its entire tleDgth l20 feet. The f0rma-
tion In these drifts is pOrphyry.
CHoLLAR-All work has been suspended In the
mine since the 2lst inst 10 permit Of repairs TO
the main water-tank and other necessary repairs
on the surface.
PoTosI-The northwest drlft from the 1900
station, Ward shaft, has total length Of 795
feet; face In hard porphyry. Extracted and sent
TO the mill during The past week PIG 100 200O
tons of 0ie from the $50. 100. 1850 and 1900
levels. Micd during the week 40 tons. On
hand at mill. 112 130O-2000 tons; average bat
terry assay, S27 26; average car sample assays,
$50 20. shipped TO tile Carson Mint 335IS
pounds OF crude bullion All work In the mine
has been suspended since the 21st lust. TO per
NIT OF repairs 10 the main water tank and other
necessary repairs on the surface.
BULLIoN-The raise from the east crescent
32o feet south OF north line, 1900 level. Is up 20
feet; top 10 low-grade quartz. The northwest
drift from the 1900 station OF Ward shaft has a
total length OF 765 feet; face In hard porphyry
No work has been done In the mine since the
31st inst. owing 10 the temporary closing down
OF The ChoilaT shaft
ALPHA-1he joint Exchequer and Alpha south
drift from north line Of EXchequer. 1900 level OF
Ward shaft. has a total length Uf 423 feet; face
In porpbyTy.
ExCHEoUER-The joint Exch quer and Alpha
south DRIFT from north liue OF the Excneuuer
1900 level OF Ward shaft, has a total length OF
423 feet; face In porphyry.