MINEBK00233

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

105
(2)
Surfane transportation:-C.&.9.ra11 road and wagon roade,aerialt Il~.ll ,',~~
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'Iwire rope tramways. ~,'~~i', r
' ~ .ore treatment. II~t 'yy1~J
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I'ttathod employed:-Smelting and milling-Mine has a oonoentrating i ''
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mill,and reduobion works: l+l ~ ~
Explosives. i ~r~ ~ ~~
• 'Aeroules powder 40 per cent is used in blasting,with 6ermen in- IIi~
sbloid fuse-NO metal tamping bars in use-Wooden tamping bare ~ '
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.being provided-Powder man employed-Explosives-are stored in a Ili ~1~,
magazine provided for that purpoae,whioh is situated I00 Peet '
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from workings-Amount of explosives kept in sta2age:-2000 lbs. ~ ~~1j
', Charaoter of magazine-Wood, mine has devioe for •warming powder, '' i ,j l
'wooden box heated by warm water NO oils,or oombuetibles stored i~l~ iii
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'with Powder. ~~~~~ _~~.~;.
1Sining. ,
This Property is opened by a series of tunnels numbered from I
to 22,the main workings of the mine where the heaviest Produo-

tion ie obtained ie from tunnels No.7.and 14,the~length of the
workings being from I200 to 2000 feet,theee tunnels from No.14

up are oonneoted by a aeries of upraises from I00 to 200 feet Ih,~;,~%
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apart.
Tha main outlet to the mine when oonneotions with the upper
vrorkingn are made will be tunnel No.22,situatad at the base of I
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the mountain and oonneoting with the mill.
This tunnel has been driven a distanoe of 5400 foot under the

upper workings,and an upraise oY 400 feat has been driven from
the breast of the tunnel upwards to make oonneotione,work han

been eusPanded on this uPre•ise at present on eooount of foul
air,whioh will be ramedied when Pann are oonneatod with the

power,it is estimated that it will require 400 feet
eleotrio
additional of raise to r.aeoh the workings above the tunnel.
Firs doors ere pleoed in all tunneln st leant 50 feet from the
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portals. ,
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iSine methods.

9toping and drifting are the methods employed in trie extraotion
end Ingersoll mako,
of ors-Maohine drills are used of Waugh,
eingle'hend drilling in elno employed,no double hand drilling.
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