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'... "
<br />;,, -
<br />/ .-
<br />-8-
<br />is smelting ore, "
<br />S U R F A O E PLA NT.
<br />The surface plant consists of 1-60 H. P, lpoiler pressure rar±~-ing
<br />80 lbs. Water used in boiler ie from Crystal Creek. Hoisting
<br />j - ~
<br />engines 1-40 H.P, the above is at top of shaft, also tram term-
<br />inal and blacksmith"at mine. Electric plants tRO, 1-105 K, W,
<br />_ .~ .
<br />Gen. 1-50 K,?P, Gen and thre> motors. Electric plants at mill.
<br />ERPLO SIVES.
<br />Giant 40~r powder., import=d Insolofd~'I.I, ~ti®e, `5-x caps and woodeh€
<br />,.., .. t
<br />tamping bars are used, Explosives in excess of one days eupnlY
<br />are no+, stored underground, The average amrnint of explosives
<br />kept in storage is 5000 ibs, This is keptfin a log house with
<br />.,, ~ ~ -.
<br />dirt roof, situated about one half mile from any other build- '~
<br />inps, 011s, candles and other"'"it"?~us$a~il9ayare~stored in
<br />lower tram terminal. The device. Por thawing powder is a double
<br />boiler with hot water, d
<br />MI,NrIN6-AND-MZNE--METHODS.
<br />The main opening is a shaft sunk~on the vein 1000 feet deep,
<br />,r ,..
<br />with drifts and ieve]~s _aunnix~?; off Prom said shaft, Prom 150 `
<br />' to 250 feet apart, There i"s 6000 feet of drifting done and
<br />,t:
<br />a good deal of stoping, Ratlmbering the shaft is+going on at
<br />x-resent, Overhand stoping and~'dri'~°iiig~yv~th air drills.
<br />Su111van; Ingersoll and waugha drills are used. The method of
<br />timbering is'rstuli~s covered with lagging, th9 timbers'are nine
<br />,- ~ r.
<br />and spruce prepared by hand and are suffioient to secure T
<br />safety. Undergroµn$-trammi7fpr"-"t-s d©nR ~~-"~--~Stegl-caz,s are '
<br />' used for tramming, Phutas are loaded by hand and gravity. The '
<br />__ t
<br />s~/atem of ventilation is natural. The mine~is connected with
<br />ad~oininP'pnoperty, Electricity and 'candles are used f'or 11ght-
<br />ing underground, .There is onef'shaft with two compartments, one
<br />. ,.
<br />for cage rind one- for ladderwaj~, T
<br />~: ~.~he mine has three exits~~,,-~ ~~~ ~~
<br />_ .,,one _
<br />throup~h main shaft, one through raise to surface,aand~one
<br />throu~2i' the ad~ oinin ~ ~ ~ ~" ~ ~ ~"
<br />1 g property, The ladders in manways ;ire in
<br />good shape and ready at all times for employes, +
<br />~ TAT I S T I C S,~
<br />Total number d~'` Yeet ~~n` shafts 1000 feet, f
<br />Total rnunbPr of f'tist in .drifts. 6000 feet, r
<br />Total m11~(be ~~ ~ _ ,. . _. ,, , ,
<br />"r o~`f~~eet~ in tunnels 340,
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