The Eureka sentinel. [volume] (Eureka, Nev.) 1902-current, 1922-12-02
REPORT ON EUREKA \
UNCLE SAM PROPERTY

ager OF the Eureka Uncle Sam Mia
ing Company. has submitted the fol-
lowing report to the directors Of that
company:
San Francisco, CAL. Nov. %. 1922
Board Of Directors,
Eureka-Uncle Sam Cons. Mining Co.,
San Francisco. California.
Gentlemen: RIA
Pursuant with your request, 1 am
submitting to you brief report on,
the Eureka-Uncle Sam Consolidated
Mining Company. Y
The property is situated ON Pros
pect Mountain in the Eureka Mininn.
District, Eureka County, Nevada. 1t
Is located three miles from the town
Of Eureka, which is connected to the
main line Of the Southern Pacific and
the Western Pacific railroads by so
miles OF narrow gauge railroad.
The property consists OF six min
ing claims and two fractions. three OF
which are patented. These claims
comprise the Uncle Sam patent, Ham
burg patent, Southern Pacific patent,
Hamburg Fraction, Uncle Sam An
mex, Uncle Sam, Extension, Silver
Star and Frisco Fraction. comprising
holding Of about 100 acres, which
adjoin the Eureka-Croesus property
on the south.
The Eureka District has Q record
Of ore production during the years
1870 to 1890 OF over 10000. 900 in
gold, silver and lead. The Hamburg
mine was operated until about 1890
when the smelters were forced to
suspend operations due to the drop
in the price Of silver and lead. The
value Of the ores extracted from the
mine as shown by the records in En-
reka, is 100000 in gold, silver and
lead and about $500. 900 was extract
ed by leasers. or a total Of 100000.
Most of the ore was taken out above
the ESQ foot level and only ore hav-
ing value of over $35 In gold. sill
yer and lead could be mined and
smelted profitably ct that time.
Camp facilities have been provided
by erecting q bunk house to accom-
modate % to 80 men, an ONCE and
staff house and a complete assay Of
fice. A 35 H. P. Chicago Pneumatic
Compressor furnished the air for the
machine drills used In development
work. Electric light plant and wa
ter system have just been completed
and an excellent auto truck road has
been constructed between the town
of Eureka and the mine.
The ore zone or lode Is a belt of
crushed limestone highly silicified ly-
ing between beds of calcareous shale
on the hanging and quartzite on the
foot wall. The limestone extending
through the Uncle Sam and Hamburg
varies In width from 400 to 500 feet.
The ore occurs in this lode in masses.
shoots, chambers and veins, usually
at the intersection of the north and
south assures with cross fractures.
But ore Is also found along the north
and south assures as well as along
the cross fractures. In the Uncle
Sam and Hamburg mine there are
three main north and south assures
all Of which contain ore. and there
are ten well defined cross fractures
carrying ore. The mine has been de-
veloped through five shafts; the Ham,
burg. the Wade, the Southern Pa
cific, the South and the Friday. The
Wade, Southern Pacific and South
shafts were used for man-ways and
ventilation purposes. The Hamburg,
the main working shaft, Is three COM
partment and was sunk to q depth of
SEQ feet and is situated in about the
center of the property. From this
shaft four levels we're developed. the
$50, 450. 500 and $50 foot levels
and more than 5000 feet Of devel-
opment was done In drifts. cross-cuts.
raises and wines. The Friday In
cline is $50 feet deep and is connect
ed with drifts from the main shaft
on the 450 foot level.
The property has been re-opened
from a tunnel started on the Uncle
Sam patent. which has been driven
about 1900 feet and connects with
the Friday shaft. The Friday shaft
has been cleaned out and retimbered
to the 450 level. The $50 level
has been re-opened and FIVE ore
shoots exposed. all of which contain
milling ore.
On the tunnel level a virgin ore
shoot has been opened up averaging
49,, L. onIa aflvar and lnod