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MINEBK01070
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Last modified
1/6/2009 11:47:23 AM
Creation date
11/18/2007 12:26:28 PM
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Mine Books
County
Custer
Volume
15
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196 <br />used native apzuoe and pine; ohutea are loaded by gravity <br />and tnj hand; underground tramming by steel oars ahd 16'~ <br />Trail track ' <br />Shaft is divided into three compartments and is provided <br />with ladderwaya whioh-are safe, seoure and aocesaible; <br />and iandinga are provided not•to exoeed 20 ft, apart; <br />there are winzes and manvrays connecting levels and at <br />least one marnray is kept in •repair and equipped vrith <br />ladders. 1[ine has more than one exit for employea,by <br />canneotion vrith tunnel and a shaft connecting vrith 1CO foot <br />level and all are readily aooeasible to en>ployes. <br />S T A T I S T I C S. <br />oro se tonnage 1,000,000,tons <br />DEVELOPMENT: <br />Total number of feet in shafts 2642 <br />Cost per foot "100, <br />Total number of feet in tunnels and adits 210 <br />Co»t por foot $15. <br />Total number of feet in drifts and levels, 5 miles <br />Coat par foot X10, <br />Total number of feet in orosa outs, 5 miles <br />Oo»t ner foot n12, <br />•Total number of feet in viinzea end raises 1200 <br />Coat per foot X20, <br />Total number of feet in development 56,85?. ft, <br />.LIEN l;t/PLOYED: <br />1 engineer 8 hours $ 4,00 <br />'Company is making arrangemonta to mart operations at ono e, <br />,Average assay value of oro por ton $1 ,000, <br />Co»t por ton fur mininLr earns $10, <br />Cost por ton for transporting oro $5,00 <br />(Coat por ton fur treatment of same $5,00 <br />
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