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MINEBK00744
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Last modified
1/9/2009 10:00:31 AM
Creation date
11/18/2007 12:16:14 PM
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Mine Books
County
La Plata
Volume
16
Document
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A
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Van Emmett -- 4 <br />-~i I i. I i. G A ,~ D bi I :d E is E T H O D S- Contin. <br />j_ pine prepare3 by hand. Underground trsuaning is being done <br />by hand. <br />•The system of ventilsticn is natural, the tunnels <br />icticn have raises thrcu_h to surface. C~-ndleA ire used for li;;ht- <br />in` under ground. Each tunnel has t•.vo exits,in case of fire <br />sir shafts have 1=.ddere •~,•it'.: isndin;; every 20 feet.• There <br />ie one door at esch tunnel. <br />:a <br />to <br />S T A T? T I C <br /> Total nu,r.ber of feet in r:.ices 240 feet. Cost per foot ;;8.00 <br />per <br /> Tots-1 nvnber of feet in tur.:els nd drifts 2000. Coat per <br />~ g ~,=~ f COt ~:8. G0. <br /> Cost cf cca per ton ; E. SG <br /> Cost of timbers per month ';:5.00 <br /> Cost of steel per :.cr.t'r x;5.00 <br />_ Coet of pc'::der,fuae ::~~ ~.ps .";00.0^ far n.crth <br />,r <br /> Cost of transrcrtir.,; sw-plies tc cine ;'50.00 ~;er uc, th <br />~ <br />0 <br />Average assa;r value ore per ton ;;35.00 <br />int Ooet of rLnin;, ore ~3.CC <br /> Ocst of tranapcrt'_::~ Lo i~.. n. •';'4.50 <br />tiffs Cost of se.cking ;`1.0'0 <br />~~ ::en eu._r,lcyed: <br /> c mir.ere ,?3.GG fcr 8 hcrru <br /> 00 for 8 'r.cura <br />3 <br /> . <br />2 trair~ners <br /> 2 ors 2s•crters 3.00 for 8 *:cllrs <br /> 3.00 for 8 hci:rs <br /> 5 labor :rs <br />t 1 bl=cksaith 4. CC fcr 8 hot%r3 <br /> 4.OC for 2 ':curs <br />3. 1 foreman <br />C to 1 superintendent 6.0'~ for 8 Y:cc~.rs <br /> en en:plcyed fvr yesr 21. <br />of n <br />h . <br />Average number <br />G ~ :1 F. A L ^r. ! "..~ A ti v e <br />Igo persona under the age of t++el•re years are er~,rlcyed in the <br />mine. ~trnn~;ers or visitors are not allowed under around <br />
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