MINEBK00576

• County: Boulder
• Volume: 10
• Document: Inspectr
• Suffix: A

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i The shaft ho.ise is frame, covered v-ith sheet iron. Timber ~
'read frame, 10 x 1C in. z 20 ft. 3 ft. iron sheave wheel.
Collar of shaft of sufficient height to prevent persona from!
falling in and prop*ided with a good and sufficient door. ~,
The fire protection is by :ire hose, not in rood condition.
There is a concentrating and cyanide mill upon the property.
E%P105I7F.5.
Forty per cent, ©etna ponder, ^erman :'use, wooden tamping bars
i
pro~-ided b,~ employers Frame, covered with sheet iron, maga-'
ft
zine, 2J0 from other buildings, carrying 1,000 lbs of exnlos=
fives.
'cSILI:.~.
'Bain shalt, E00 feet.
"-~~.~ •, 150
I.erels 3,500 "
Crcas-cut 150 "
gll le*:els connected wi`h winzes except from 4 to 5 in main
shalt. ire now putting up raise between these levels. Ever -
thing before the 4J0 ,^t. level practically stoped out.
}4ork is noc carr ed on •he in the 500 foot level and shaft. ?laps
a d drawl ps are kept in the branch office. den and materiali
are hoisted by stem. Cable is a 3~4 in. steel in fair condi-,
tion. iias bee^ in use fifteen months. There is a nnro~ *h,.eo
strand galvanized wire bell line, using the state code of signals.
The shaft is planked, bottom and sides. On the 4th and 5th ~
~ lei*els, passageway around wcrkinq shaft. flan are provided with
~ chain ladder. Ore is ex'racted with R'augh machine drills and
single hand drilling. Cribbing, drifts, sots anc atulla of ~
i
pine and spruce timber sawed sgiare are used. Tibera are good)
.: in the lower levels. Iron buckets, i; lb. T rail, 18 in, guage~
track. gvera~e amount o' water encountered, 9,000 gallons a
day, handled by steam pump, 03' which there are three. The van-I
tilation is by surface connection, insuf:icient below. Shaft
is di•~ided into twc compartments, with ladder way not safe, sew
cure and accesaible,,.containing steam and water pipes,
i