Laserfiche WebLink
-4- <br />on the same vein for a distance of 4000 Peet and connected <br />with the 33u111on tunnel by an upraise. 'this tunnel also <br />connects with r~hat is kno~nrt as tl:e` Pandora vein whi:eh <br />crosses the Smuggler UnioTl vain. All ore Prom the Pandora <br />mine is broup~ht to the surface thrCfugh the Pennsyivar-ia tunnel. <br />The Pandora tunnel is wor]~ed on le9ise. 3 levels ar+~ being <br />worked by Lavender and Co': The 'Sfa~~gier Union is dx~ririg' ' <br />some of the old stoves in'NO. 3 5s'?~ 7 levels and also <br />running the Pennsylvania tunnel.'TY~e method of ore extraction <br />is overhand stoping and d~iftingy.~-ith air and hand drills. <br />Ingersoll, Hammer and Piston dri119 are used, and a0m€r <br />single hand drilling is dtSne. The.)hethod of timbering is <br />atulla an8 square sets co+~ered w`itly lagging. T~ee't~1bj32s <br />are nine and spruce, peall~d and°px~epared by hand and are <br />sufficient to secure safety. T'nder;~round t. °1s done <br />by electric motors, horse~9, nni1~38. and hand. One and ,tom`, <br />ton steel cars ass used Por trateimK. Chutes are loaded by <br />hand and gravity. The system of ventilat3~eia mostly natural. <br />Sometimes assisted by fans for an uprals® e-r ,ffiemethigg of <br />that kind of wprk~ 3yetem of drainage_is natural throup;h <br />tunnels. All old titsbeze have be®n"remo~+ed Prom underground <br />i <br />and the aenitarY eonditiena are goodx ~2eotridrty'arx~:'1sax~dles <br />are. used for- liYKhting,~tand*~rground~ There are t~aha~'ts in <br />u se, with txq cempartmentaf:the Union shaft for age-and <br />ladderway and~~s shaft for.a~2p as~id ladderwsy az~ air pipe. <br />Ladders are ~a0 feet apart in all°°nanways-and shafta.,TYtap <br />are in good-shape and alaay6 raacdY:f~ emplopera` <br />$ ~ 'A T ~ $. T I. f! $. <br />Total number of feet in shafts, EU~O. <br />About forty. miles of ~traok. ia~.flrifta and tunnels to ,the mine. <br />Cost per Poot sean_not bet ~i.ven vn dearelcrpement as the onager <br />1 s away. <br />CO.at of pa~flex per lb... ~>.~~ ave~cage rier mo,~t~ ~1~Ot?,00 <br />Cost of del per tots 3.:00 <br />Cost of transporting ore to, a~aelteT~ X00 <br />Cost of treatment, smelting ore her ton, 4.00 <br />Cost, of Milling per ton ~.7b. <br />1~ ~ ti-~ M P L- 0 Y ffi D. <br />