MINEBK00905

• County: Saguache
• Volume: 14
• Document: Inspectr
• Suffix: A

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The shaft is provided with a door to prevent material
fiom falling into shaft when dumying. Rae smith shop
is located at the shaft hones. The engine room, working
shaft, black smith shop are all under one roof. There is
suitable protection against fire. There is no boarding
house at the shaft. Ore bins to accommodate about 300
tone of ore. 8nrface transportation is done b9 wagon,
The method of ore treatment is concentration.
E Z P L O S Z O E S.
Dn Pont 40~ powder, imported Inaoloid Z L fuse,
5-x caps, affi wooden tamping _bars~ are used.
Explosives
in excess of one days supply are not stored wader ground.
They are stored in a magazine provided for that parpoae
only. The magazine is situated about 150 feet from
shaft. Average amount of explosives kept in storage is
200 pounds. A frame building is used for magazine. The
device for thawing powder is a double hot water boiler.
Oils, candles, and other combnetibles are not stored with
powder.
M INIh'0 AND MIRE METHODS
The main opening is a shaft. About 7,000 feet
of tunnels run East a~ ?lest from shaft. ~[en are lower-
ed and raised with hoisting machine. Average weight of
each load is about 800 pounds. Distance hoi'eted; 400
feet. The condition of the cable is good. Has only
been in use about two months. A hook is used to connect
cage with cable. The material is hoisted from three
levels. A eager is employed. Signal bells are run b y
electricity. The state code ie employed. A code of
signals is posted in the engine room at collar of shaft
sad each level at at ion. All level etatlons are provided
with Passage way around working shaft, f7uard rails are
provided at each level station around the shaft. The
method of ore extraction is over hand drifting and atoping.
Three Ingersoll machine drills are used. The method of
*imbering is square seta, atolls and covered lagging.
They are sufflcient to secure esiety. The timbers are
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