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MINEBK00617
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Last modified
1/5/2009 1:05:41 PM
Creation date
11/18/2007 12:12:19 PM
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Mine Books
County
Teller
Volume
14
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r~~~ <br />all persons are prohibited from ridin on loaded <br />skip and this notioe is posted, as well as number <br />of men permitted to ride on skip, at collar of shaft <br />and each level station; Dare era aumped direot into <br />aKip; skip guide$ are 4 X 4 Oregon pine; shaft is <br />provided at all stations with guard rails; all winzea <br />and will holes are covored or surrounded vrith guard <br />rails; Method of extracting ore by overhand stoping; <br />machine dr ills are employed both Piston and Harmer <br />drills; timbering by stubs and lagging, native <br />spruce P.nd pine sre used; loading chutes by gravity <br />and Ly hand; underground tramming try cars and 8~ <br />T-rail track; trackage 2,500 ft. ventilation by <br />connection ^rith other mines and is r~tiffioient• <br />sanitary condition in good; <br />EXITS: Shaft divided into to<o ccn~.Fartments, and is <br />provided vrith laddertvays whioh are safe, secure and <br />soeesaible; landings are provided in ladderwax not <br />to exceed 20 ft, apart; share are vrinzea and manvrays <br />oonneeting levels, but none of these are Kept in <br />repair and equipped with ladders exoepting mein <br />shaft. Mine has more than one exit for employees, <br />ttu•ough tho Trilb;~ and. Dante Mines,anri grerreadily <br />e~~oesaible to omployeea. Lighting ~tn~3erground by <br />0 anvil P,a <br />S T A T I S T I C S. <br />Average tonnage per month 850, <br />DEVELOPMFIIT: <br />Total number of feet in shaft 1100 <br />Cost per foot $25. <br />Total number of feet in tunnels and edits 400 <br />Cost per root $12. <br />Total number of feet in drlftR end levels 3,000 <br />Coat ?;er foot $8,00 <br /> <br />
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