MINEBK00683

• County: Gilpin
• Volume: 12
• Document: Inspectr
• Suffix: A

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ORBS &. ORE .BODIES-Coatin.
The eharaoter oP vein filliat is iron sulphides sad quartz
and the aetala are Bold, silver, oopper, lead end zino. 8s anal-
yses have been wade. The ere is of a rood averate trade in val-
ne Werth abetit $].b per ten. The vein is about 90°'a free silliAt
•rs and.10~ aseltist ere. This is treated in publie works at
Blank Hawk, Colorado one nile distant fren the mine. The oon-
pany does net own er operate ea, reduotion works.
3 II R B A C E
P L A B T.
The heietiae plant oonaiats of a 10 h.p. taaoliae entine
atatioaea is the tunnel and is need for heisting Eros the shaft
aunt Sa the tunnel.
Tho sheave ~lhesl is 3~-ia. oast iron sad Sillel with repo.
'• heat Irate is required as the sheave wheel rests on two
ettll tiabere 16' above the oollar •f the shaft.
The •aly buildiat at tho tenth of the tunnel ie a asall
.blaejcesith shop. This !e net •f enonth isportanee to oanee nay
dancer ire= fire.
one hudre~easat •Y the portal •f the tunnel nre two •re
bins with a aapaoity sf 40 tena.eaoh. The •re is oenvayea by
tray oars diraet free the tunnel iat• the •re bi~a sea frees
theate ooavayad by wason for treataeat.
Caadle^ are need for lithtint in the shaft and kerosene
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•n the aarfaee and is the tunnel.
EaPLOSIVES.
California tiaat, 40;6, powaer, Gorsan Ixaoleid Ititse.
b-Y eap^ a.nl wooden taspiat burs are used. n• powder alonYey
is-eapleyea.
Th• averate asennt •t ezplooivoa kept in esterase i• 1GOt.
Thin is Its~t is a base, iron-oevered sataziae stationed !a
the taaasl shoat b00' Tres the abaft. Reeeaaeadatieaa have
been sivea t• resave the nasaziae •ateias •f the tassel sad
glue rho •ue is a refer leostiea sad at the ?ropbr listanee