MINEBK00683

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

Ohaee - 6.

are
s.
JII.HIHG de MIHE METHODB~Contin.
.~ on the bnoket is posted at .the ool,lar of the ahaf't and at eaoh
., level station.
BIIOkete are loaded bg hand. The bnoket rune on a plank .
_, bad as there are no akida.. ,. .
.. The method oY ore, eatraatinn ie by overhand atoping end
drifting. Some single hand drilling is done ~~and Qangh atoping
and water Layner maohine drills are need.
The method oS timbering employed is stnlle covered with
lagging. The timbers are prepared by hand t`rom sprnoe timber,
are In good oonditioa end are enifioient to seonre safety.
Chutes are loaded by hand and gravity.
r
Ondergronnd tramming is done by hand with steel bnokets
and wood trollies on a traokago of 18" gangs and e~ T rails.
The mazimma amount or water to De dealt with is 4,000
gallons every twenty-four hours: and thie~ie handled with a
bnoket.
The ventilation ie natural and~ansiiofeat. At rare
intervals a small amount of oarbonlo eoid gee is mot with.
' The aenitasy oonditiona are 1a1s. Aa soon se the Sew
old timbers in the mine are removed the sanitary oonditiona
will be ezoelleut.
CandleB are need for lighting underground.
:.

STAT18T~108'.
•verage tonnage per month, S0.
•verage assay 'sine oro par ton, SEE.
Ooat per ton mining of ore, -- -- --
Coat parr ton tranaportfng ores 80~.
Coat per ton treatment of oro, X3.60.
Sotnl number of Seet is ahafta, tf00.
» » » levels, 2,ti7b.
Y Y M » » npraiaea, b60•
» " " arose-outs. b0.