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<br />Mine has reduction works,
<br />E R P L O S I V E S,
<br />Dupont 40~,, Fuse Rational, wood tamping bars are provided
<br />for eaployea; explosives are stored in magazine provided for
<br />that purpose alone, which is located 200 ft, from tunnel and
<br />other buildings; average amount kept j.tl storage 500; maga..
<br />dine is a log building, covered with boards, Mine is not provl-
<br />ded with device fbr thaping powder,use non-freezing powder,
<br />MZI7i1tG:
<br />Main opening one 5 X 6 ~ shaft, 419 f't, deep, square settL~d
<br />With 12 X 12 timbers. Mine has maps and drawings of the
<br />workings, Cage guides are 4 X 6 Oregon pine, Shaft at all
<br />stations is provided vrith guard rails; all winzea and mlll
<br />holes are covered or surrounded vrith guard rails,
<br />Tlritlt II, S : .
<br />5 TuTmels, eaoh SX-6-12 ft in the olear, Total depth 8,327
<br />ft,
<br />MINE METHODS, ore extracted try overhand stoping;maohine
<br />3silla are not u>_~loyed; single and double hand drilling;
<br />timbering by stvlis and la_oaing, timbors used native spruce
<br />an3 pine;eonditlon of timbers only fair underground tramming,
<br />by steel care and 8~ T rail traok, Ventilation, natural
<br />and is sufficient, tioxiou» gases are not mot vrith, Sanitary
<br />oondit?on in good, Shaft is not divido8 into tv~o oomDartments
<br />and in not provided with ladderrrays, M1Zlo has morn than one
<br />exit for ea~ployos,by oonneotivns betvvoon tttnnele and shaft,
<br />lighting underground by oandlea,
<br />S T A''T . B T I C S,
<br />Average tonn~ke yer month 100,
<br />Total number of foet in tunnels and adits
<br />coat pcr foot ~$ 16,00
<br />Total number of foot in shafts
<br />Cont Der foot $30,00
<br />8~3?.7
<br />419
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