MINEBK00838

• County: Gilpin
• Volume: 15
• Document: Inspectr
• Suffix: B

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Jsftareen-Calhoun - 7. - ; ~; r _ ,urr,;::'UC :'.,
M I & I II G' ~ ~ I N E' ' td E' T H' 0 D' S - Contin.
Four men ara' permYtted to ride in' th'e buoket''at'`ons'-tieia' I
and this netfoe i'e prated at 'th'e oollar' of tlia"'shalt"arid'at"
'eaoh local statidn. '. - . , r." -
Th• ahait is aecttred oii eaoh aids' by pillars "ai'grounB '
euffiaisat t• aeoure anfety and all winzea are wvared. The "
shaft is net being dtisilc. °' ''
' The method of"orc'extraetion'ie`drifting and oderhand '
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atoping. l4augh Ne`.ahine dr171a and some e~ingle h+and `drilling I
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'nre employed. •'~ '
The mothod of tiabex+ing'ia' po'Rte~ and oap"n and' stii].ler ' it
covered with lagging. The timbers are prepared'by hand'trom
pine ~arid red spruce, ~aie' iri good' oondit'ion and' ~etiYYioient to ae
~ettrs safety',.. _ .. .. .•... ..~., :.. .., ..:.:: I
'Chutes are loaded by hand sad gravity: "'
Ondergrouad tramming is done b~ hand with "steel"~bitokmta, ~!
wood trollies and steal Cara. The traok'ngs'ia 18"'gu6go'and'
12g't T ra11o. - : _ • ~ .. -~ '~ _,..
The water in the mine ie handlid by means` Hof a 'JRne'sVill'e
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Duplex steam pump whioh hne a onpaoity of 31,fiB0 gallo'ris'every li
twenty-tour hours. '' ~
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The ventilation is naturnl and atiifioient. fto aoaioue
gasao are met with.' "'
The sanitary oonditiona are good and sufPi'oient'and'iil~'"
old timbore and deliris~hnde been remeVOd irreD lttlddr$YOtt~d'.'~ ~ ~ ~
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Canflles are used for lighting ttndirgrotutd'. " " ~ ~" ' '~
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STATIST. ,I, .C S ..,. ..' '~,~ :!.
6ro6a tonnage 'not giben.
Aderag~ tannage per' mo'rith; '100. `" '
Averegs~ vahie oP'ore per`'ton, x$18; ~ ~ ''~ ~ `'~' '' "~~ '.
Coat per ten tranaportiag'ori, $1' '' ' ~ ,~;" ~:., J" ::i..
Caet~per ten t`rea'~~ment mill •ra,' ~$,?.6,~