MINEBK01009

• County: Clear Creek
• Volume: 12
• Document: Inspectr
• Suffix: A

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Blase Ridge - 5.
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g '~ ~"ki ~.' M I N I =~ G « iri I tZ E id E T H O D S- Contin.
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~,`• '.~, Two hundred Yoot above the main tunnel is '^
' ~ !5 1u21ne1 1Vo • 1
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i This is 400' in length and is aonneated with the main tunnel by
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0 two upraises Yor the
~~' PurPoae oY providing air and additional
'! exits Yor the employee, The exits are in
good condition and pro-
erly equipped. Two short tunnels besides this are abandoned.
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_,j! On the south side oi' the mountain and 1,000' Yrom the
'i por_
~;~ tal of the main tcuinel is a shaft on the Senator vein and oon-
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s neata with the main tunnel, !lo work is enrried on in this shaft
and it is used Yor exit.nnd air only, being kept in good repair
and ro erl ecui
+° P P Y 1 PPed. nhile work was conducted in this shaYt
l '
n large quantity of ore with Pair value was Produced.
~l r~, ~` Tho method oY ore oxtreotion is by means of overhand ato~-
,. << <! ~ ing and driYting with Le
,`~ i yner machine drills. Ao hand drilling
is dono. The method employed in timbering is,aquare setts, tim-
I
` ~ bers being mostly rod wood which are out and Pooled by hand.
~~ ~ ~ ~ The timbers are in
' good condition and are suPfioient. Tho mnn-
•'~ I' ± nor o2 loading ahutoa ie a man-way on side oY the dirt«wa
~.
' Underground tramming is dono with 7.oadville and rrunx oars
;~
1 r on a trackage oY 18" gnngo and 30~ to 40~ P., R, atoel. Lien sad
4; tiurroe~ urea emPlDyo3.
~+~~ Tho natural syatea of dralnnge ie employed, the,grade oY
~ ,•
f ~ ., the tunnel being b0' to the mile. Amocuit oY water to be handled
i'I .i . ~ ~ is small
c „ Tho ventilation is natural and sufficient and no nox-
'I ~,~ ~~ ,- ioue gesso arc mot vrith. Tho sanitnr•
~"` / oonditiona arc good.
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Candles and oarblde lamps nro used Yor lighting underground.
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~,r';, ~'~ ~ STATISTICS.
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'?ii Total number of Sect in shafts, 500.
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x_ n " " " " tunnels, 3.100.
I.
n n
" " npralaen, 400.
Coat of fuel
„ " ~~ . Pepder, stool and other supplies Por the
,f~: vine not given.
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~` `~: ' : ~ Average neauy value o! orc por ton, x'18. Cent pvr tan o
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