MINEBK00940

• County: Boulder
• Volume: 15
• Document: Inspectr
• Suffix: A

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Blank Beauty - 3.
0 R P: S &
ORE BODIES- Contin.
only is neoeseary..The atrike.ie north and soutYi.aad the dip
is to the yest.,,_There era four ore shoots 25' to 60',in lengt
respeatiyely sad na Ysult~s in the veins. The enoloaing.rooks,
are granite and sohist and the geagae ie talo. The vela-varies
in width 3rom 1' to 7', with an average width.oP 4'.. Length,
100'; height.. 200'.. ,
The oharaater oY vein Pilling is quartz,~iroa.aulphides
and tellurium and the, metale.are,gold, silver,, copper, lead
and zino, gold largely predominating. All of the vein filling)
is smelting ore with en average value of $4b per ton. The
average monthly prodnotion is ten,tona and all ore is treated
at publio works. _
SIIRFA CE ~P LAII T
The aurfaoe plant oonaista oY a 22 h.p. gaeolifle engine,
used to rnn the oompreasor, and a Fairbank -,Morse, one-drill,
Air oompreseor.
,~ The power house is a Prams building 20' x 28'•in size _,
ens situate 14' distant from the portal of the tunnel. The ~•,
_ amith!e shop is in the.powor house. Three hundred feet south ,
of the. tunnel ie a emal} oabin that is used for a ohanging ..
_ house.
Ro proteotion against fire is needed ae there are no
I' buildings near the portal of the twmel.
8 7C P L O S I V E S.
~'; _ Aetna. powder - 40j.; German Ineoloid Yuse; 6-% oaps and
~, waaden tawying barb axe employed. Elcplosives in exoess of; one
,~ day's supply are not stored underground.
The average amount of explosives kept in storage is
I'~ 600$. This is .kept in a frame, Iron-oovered magazine situate
ll 76' east of the portal of the tunnel and used for, the storage