MINEBK00922

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

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sets vrhere necessary sand is 675 ft, long; one
drift fm m tunnel 115 ft.and another 50 ft, long,vrith 50
ft. of upraising.
No 2 Tunnel 230 ft, long; and'No 3 tunnel 200 ft.
long. Nine ahafEa averaging from 15 to 30 ft, deep,
Stork is carried on at Present time in breast of main tunnel
and drift on No 1 vein.
All ainzea and mill holes are securely surrounded with
guard rails. '
TUNNELS:
Besides the tunnels above described there are:-
one tunnel higher uP 240 ft, long and one 350 ft, long,
with & 3o ft, raise on ore, Blacksmith ahoP is at entrance
of tunnel, Tunnel is not provided with suffioiont doors
at a reasonable distance from entrance to prevent admission
of noxious gases in Dees of fire,
MINE LIETHODS:
Ore is extracted by overhand etoPing; hand
drilling is er~loyed,both singlo and double; timbering
by square sats,stulls and lagging; timbers used native
spruco and pine. Condition of timbers good; undcarground
tramming steel oar and 8~ T rail tract.. Ventilation, by
air Pipes and is sufficient at present time, Noxious
gases are not met with, Sanitary condition good, Mine
has tizo oxite for srtinloyes,through tunnel and a 30 ft.
upraise from tunnel, and all are readily aooesaible to
employoe; lighting undomground by Dandles.
S T A T I S T I C S.
No Production to date,
DEVELOPLiENT:
Total number of fret In shafts g0
Cost Psr foot $8,00
Total number of foot in tunnels and ob~*R#~e edits 2060
coat per foot X8.00 ~ -
Total number of foet iri-drifto find levels 225
Coat per foot X8.00
Dave]
I Tota]
Cost
rota:
Coat
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