MINEBK01039

• County: San Miguel
• Volume: 15
• Document: Inspectr
• Suffix: A

CARIBEAU--4,
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hi I N I 11 G A II D M I N E fd E T H O D S.--Continued. a i
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which is known as No.6.This is a crosscut 600 feet long where q~;
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it taps the CarSboan Vein. This is where work is carried on "
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at the present time. They are doing a little sloping in No.3
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level and drawing some of the old slopes in No, 6. ;
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All the ore from this level is handled over trio tram which ~
connects with the 81111. They are a130 running a crosscut ;',
from No,S level to cut, the Ida Vein. `~'i
All of the above levels are connected by good manways,ladders I,'I
are in good shape and platforms svory 20 feet.
The rnothod of ern extraction is overhand eloping and drifting ~II
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by hand.Both single and double hand drilling, with filled ,
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slopes and crib chutes, ~,
The method of timbering is stalls and square Dots covered with ('j,

lagging. (III
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The timbers are pine and apruce prepared by hand,, and euffic-
ient to secure euCnty. ,~
Underground tra ming Sr, by muleo.
Steel cars am used for tramrning.
Chutes srn loaded by hand and gravity. I
System of ventilation is natural.,
Candles am used for lighting undergriund. ~~
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The !dine hau give exits through five tlii'CnrsnL Tunnels runnlnB
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outgidn and are ready for eimploy es ' aL all tLnnn. (i'
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s'rnTl (i'PI C.S'. ~

Tutnl number of tone per month 30ii0. I
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Average aaeny value per ten $lG,no. ICI
Cost of LrunnporLl.ng ern to Ra1.lr•oud ~L,CiO per trnt. ,
Cn~1, oY smelting Yrom $:5,0o Lo ,~'6.0o per ton. ~,;

Coat oC powder .lfi~ per pound. III

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Total number of Ynet in R M I'ta G6000. Cent per Moot, u0,f0, i)
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'i'ota]. nuurbnr oi' Pant Sn crne.cut fi(i00, ° " " 20, on l
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Tetal number of 1'net in winznrr 3600. " " " ].O,oo ~,
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'fetal number of Pout 1.n ratuen :5700, " " " O,LiO, i l
ToLul. number of 1'net in dnvnlepmnnt (S'7N00,
I 1d1•:N li1dPh0YJdD i
6 tdlnerrt ~:5,on ibr night hour'u,