MINEBK01151

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

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RDMBOLDT--3.
S U R F A C E PLANT. Continued.
two filectric }rioters, One two story Boarding and Dwelling
Aouse. This is large enough to accommodate 75 men.One Office
16x24, one story, one Blacksmith Shop. Tho Boarding House,
.Office and Blacksmith Shop is about 300 feet fromentrance to
Tunnel. The Air Compressor and Hoisting Engine sets on solid
rock, which wzs graded out of the side hill.
EY.?L OS I VES.
40~', Pepanno Cela.tlne powder, German Z.L.fuse and 5'l. caps are
used for blasting. 1SOOden tamping bars are being used.
Explosives in excess of one day's supply are not stored under-
gr oun d .
The average amount of explosives in storage ie 4000 Lbs.
This is atorr•.d in a rock tunnel with a good solid door, and
is 250 feet from buildingr, or entrance to Tunnel.
The dovfce Portirawing powder Ss an eloctric heater.
]t I N I I1 L'_,17D ].;I NE 1;ETii ODS.
The main opening Sn a short croaseut about b0 Peat t0 tha vain.
This is whare Lhe main shaft Sa being nun k, a diotanee oY
50U fer;t end le vela running ofY both north an<i south on the
vr:in every hundred feat With good stations at each levol.
'fhla fr, a vertical two compartment shaft, ona far bucket or
cage and one 1'or rnanway with a goorJ ladder road with plntYorm
every 10 Yoet. Therr; nru air pipe:; in tho manways.
The nhaft has guard rails et top of shaft and at Hach stntinn.
Jiclating is being done with buckatn with a good up to dots
crown lead with bonnet and safety cntchns.lSignal Carla is ponied
in Engine i?oom of collar of nhai't ar,d at aach station.
The method of or•c extraction in over hand sloping and driYtinl,
with air drilln.Ingriraoll Hammer,and piston drills ore being.
used. The method oY Limbering is ntulla and nquur~a seta cov-
cr•od with lagging. Thu timbers aro pins and,spruae praparod
by hand and ura nr:fficiont to ncrure nal'ety,