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<br />Pittsburgh - 3.
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<br />_ Bully deaoribed da~reporte<ioY:1910'end 1911: i~+ _.
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<br />MINI IIG & MINE METHODS
<br />$.ully • dseoribed •3n ,reports of 197,0 and' 1911 exoept that - ' ~
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<br />the main shaft has been an additional depth et!200',;:~ths~900- j
<br />ft, .level sxt~nded: 610',; 'the:1,OOQ-ft;.level:ext~nded-714'; up- ~
<br />raises made on tie east aids o~ tho ehaft.frem the 1,000-ft.; ~,
<br />level, to• the .900-ft:.. level, end: from the ,900,rft. ,level 'to: the:
<br />.S00-ft. leveta ~ .: .: ... i
<br />The ,npiehisee are used• for additional 'exit's "snd•..vantilation,
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<br />era kept in good ropair and are properly equlpped.with baiR;,ae-'
<br />ours and eooeesible l,pddere. ,_
<br />9toping ie oarried on in the 900-ft. and 1.000-ft. leSrels
<br />on the east aide of the~ahaft. i,
<br />S T A T I S T I C S.
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<br />Average tonnage per month, 100. ~
<br />Average value~of ore per ton, $60.
<br />Average monthly ooeL of sleotrio power, ~i6U.
<br />Average ooot of fuel per month, X60:
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<br />Men smplogsd; ~i
<br />4 Maohine Drillmen, $4.00 for 8 hour shift. ~
<br />6 Minero, 3.00 " " " "
<br />2 Timbernien, ; 3.60 „ " '~ "
<br />2 Tremmero,. 3.Q6 n n n n
<br />3 Ore A~sorters, 2.60 " " " "
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<br />E'Enginesre, ~ ~ ~ ,
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<br />1 Pumpman, 3.60 . " • • n ~ n ~ n
<br />. 1 Blaokemith, ., '3.76 : ~,' ~~~ r, , fir'
<br />1 Hslpsr,• . , . 3rU0 n '° .. n n
<br />1 Supirintindent, •200.00` per •~ month.
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