Gold Hill daily news. [volume] (Gold Hill, N.T. [Nev.]) 1863-1882, 1876-05-29
n ALTA nIHE.

THE ALTA HE.
The Ana mine Is situated on the east
side Of Gold Canyon, Just north Of and
adjoining the woodville. and immsdi.
stsly east Of the Justice mine. The To-
cation il an excellent one. andcomprisss
1900 feet Of ledge, with an ample sup
ply Of surface ground for working pur.
poses. The company Is incorporated in
San Francisco. the claim being divided
into 100. 900 sharss, Of the par value Of
- ssch. The present Board OF Trus-
tses are: Seth Cook (Prssident); W.. F.
Myers (vics Presidency; Daniel Cook.
R. N. Graves and John Skas. all OF
whom are heavy stockholdsn and bust
ness men Of untiring energy. Mr.. @.
| Derby, one Of our fnt business men, 10
Superintendent, and William H. Watson
Of San Francisco. Secretary.
The Hsissi.s WEEKS 1uiiaisg.
The main hosting works building IL
95x43 feet in sizs. with q boiler house
adjoining 4oI4o feet. Wings will be At
tachsd TO the main building In . very
short time. OF . sufficient size 70 furnish
room for large and commodious carpen.
tor. blacksmith and machine shops. The
main building Ia erected In the most
substantial manner, IL OF the best ma
tsrial, and IL located at q point 400 feet
from the south line OF the claim, whore
the make OF the surface ground Affords
not only convenient yard and timber
room, but also q hns dump for the de-
livery OF the waste rock.
rhsshan a.d Hsisting Esgi.s.
A splendid working shaft with two
hoisting compartments 4HI5 feet In the
clear and q pumping compartment s
feet in sizs has been sunk to q depth Of
AS feet. This shaft Ia timbsred With
sets Of square timbsrs ~ I II inches In
size. and ID a. smooth and fine q work.
ing shaft as there is on the line Of the
Comstoek. At the depth Of 800 feet Q
large pump station has been opened and
. tank put in ready for the use Of the
pumps whsnevsr needed. The hosting
engine has q capacity Of 40 horse power
and 10 capable Of sinking the shait to q
depth Of 400 feet. The reels and hoist
ing gear IL all OF the best improved pat
terms. and the hosting 10 done with 4
inch steel wire cables.
Diaseaisiss Eneeustsrsd.
When sinking the shaft was COM
msnosd, 1t was not expected that water
in any considerable quantities would be
encountered under 1000 OF ]. 200 feet in
depth. Such. however, was not the
case and at the depth Of 400 feet the
fiow Of water was 30 strong that II was
found necessary 10 Immediately COM
msncs the erection Of powerful
machinery. No time Was lost in COM
plsting the arrangements and the con.
tract for its manufacture and erection
was shortly let to tho Risdon Iron
Works in San Francisco.
The Ssasdasiess.
The foundations for the new pumping
machinery are now already under way.
The pits are 81 feet in length IA
feet wide. "a feet deep. and
when finished will contain over COO
perch Of solid stone work. Bet in this
bed Of Stone are twsnty.four wrought
iron anchor bolts. az inches In diam
etsr. drilled into the solid bedrock to .
depth OF eighteen feet, and securely
fastened in their places by q filling OF
r,olt., l..l .nI .ntinnnv I'm tom NJ |
this bed OF masonry will be placed
dressed blocks Of solid granite for the
reception Of the machinery.
The PsmpipE EnEine.
The new pumping engine, a large
portion Of the machinery Of which 10
already on the ground, Is one Of Davies
compound. d~irect.aeting. c~ondsnsing'
horizontal engines with balance bobs
spear-rods and differsutial valve gear.
The initial cylinder has = diameter Of
twsnty-ssvsn inches, the expansion cyl
indsr 10 forty -four inches In diameter and
has q six-foot stroke. The cylin-
der In attached 10 the piston that passes
through the initial and expansion cyl
indsrs, and has . diameter OF fourteen
inches. The capacity OF the engine 10
estimated at 5O0-horss power. The
pumps are double acting. throwing
water with equal force on either the up
yard or downward stroke. The pump
columns are ten inches In diameter and
the rods counter balance each other.
thereby making . great saving In the
power required TO run the machinery.
The si.king Fsnp, neiisrs. etc.
At the bottom OF the shaft . l4.inch
wine bore Cornish ainking pump is used.
This lowers itself by means Of . slide as
fsst a. the shaft attains depth. the only
thing required bsing the addition Of an
other section Of column pipe every 20
feet In depth that the shaft Is sunk.
Two sets Of tubular boilers. l6 feet In
length. one ~ and the other "a inches
In diameter. are required to furnish the
steam 10 drive this pondsrous machins-
~. One set OF these boilers arc now in
daily use aud the others are enclosed.
ready whom needed. The entire pump
ing machinery il Of = pattern never yet
used on the Comstock and 10 being erect
81 under . guarantee Of perfection in its
workings. by the RisdOn Iron Works.
BY many OF our most experienced engi-
nssrs this machinery Ii looked upon a.
. great improvement over the other
styles Of pumping machinery now In
o
The Lsdgs and rs Prospects.
The ledge crops out for . considerable
distance on the surface and Is generally
acknowledged BY mining experts to be
the same AZ that Of the woodvills.
Many excellent assays Of the surface ore
have been obtained from time to time.
The location Of the shaft being east Of
the ledge. II 10 expected that II will have
TO bs sunk to = depth OF 100 feet to
reach IL. The Woodvills shaft cut u It
. depth Of 426 feet from the surface. and
there 10 q difference Of only LA feet In
the sltitude, the Alta being that much
the biohest. The course Of the ore vein