MINEBK00370

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

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• E lC? L D S I g E S.
Pu Pont 4or powder, imported Irisoloifl Z L fuse, 5-x cape
and wo den tamping bare are used. Eplosires in excess of
one dar's supply are not stored underground. Thep are st
stored in a magazine provided for t7~ purpose only.
The magazine is situated about 200 Peet Prom shaft.
Arerage ammunt of ex_ploFires kept in storage is about
20C lbs. The device for thaw~.ng powder is a double
31ot water boiler.
hf I fi I F G A 1: P M I T; ~ M E T 8 O P S.
Th- main opening is a Rhaft. About 1500 Peet oP
tun^els are run Prom !.his shaft. Men are raised and
lowered b•• hoiat.in~; maahiner,,. Arerage wei~t hoisted
p00 pounds. The cable is in good condition. A hook ie
used t.o connect cage with cable. Signal bells are run
by elect~Lcit;~. The state code la uaefl. All level stat-
ions are pr ~~ide~? r~1th pas$age waI' around working shaft,
a'~a'-'e earls are provided at each le~~e1 station. The
method ':f ~~, °xt~action ie drifting and stopirig~
Three he;~ner drills are used. The method oP timt~e ring
is stalls and 9QUa,.o sets cove^ed with lagging.
The t.iri~ers ass Pine and spruce. Underground tramming
la done o,- hand. The n••stem of ventilation is natural.
A 2,0'?~ ga:.loII Pump is used Por drainage. The ladder
way is provided with good ladders with Sanding 20
feet apart, which are ^ecure and accessible to em-
ployee at all timo~. An upraise is now being run
to outer surface., Candies are used for lighting
underground.
Total number of Peet in shafts 700. Coat per Pty ;25.
Total numbF~ op Peet in tunnels 1500 Coat Der Pt. X12.
Total number oP Peet ~n drifts 650 Co»t per tt X12.
Total number oP Peet i., raises 100
Total number oP feet
-- in flevelopement work 3500.
Average assay value $50.00 Der ton.
Coat of mining ore #15,00 per t on.