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MINEBK00683
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Last modified
1/7/2009 2:53:14 PM
Creation date
11/18/2007 12:14:25 PM
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Mine Books
County
Gilpin
Volume
12
Document
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<br />Frontenao - 10. <br />~1 <br />• ~dIII'IIQG & 14IH1: IdETHO))S-Contin. <br />The amount or Mater to be dealt with in t?+e Frontenao chart <br />averages abort 4.000 gallons per day oY 24 hours. This is han- <br />' died mirth aL00-gal. barrel. <br />are aatnral ayatera or ventilation is ewployed except <br />in the 6th. level oY the "rrontenao. A suotion fan, rnn by a <br />1 h.p. eleatria motor, is used at this point iio noxious gea- <br />os are mot ;rith except in the 400-Yt. east level in the Aud- <br />uddell. On account of certain c:eat'ner conditions earbonia sold <br />' gas is soaetimea present in the 400-Yt. level in the itududdell. <br />bnt this occasions but little annoyance. <br />All old timbers have been removed iron underground and <br />thtl sanitary condiziona are good. <br />Candloa, cesrbide Tampa and electricity aro uaod Por <br />1i~hting underground. <br />S=eYISi`I Cs. <br />Average tonnago por month Yrom Frontenao, 1,b00. <br />" ° " " " Aududdoll, 325. <br />Groaa tonnage oannot bo gluon. <br />AvoraPo assay value ore por ton, ,$10. <br />Coat por ton mining oY oro, $.b0. <br />' Cest per ton tranaportiag ore, b0 ~. <br />Cost por ton treatnont in mill, 75 ~. <br />Coat por ton treataoat amolting oro, $7.00. <br />Coat por ton troataont tailings, *f}.p0. <br />Coat oY powdor por lb., .', .1~}. Aver. coat per non.,~450. <br />" " timbor " lri., .l G. " " " ^ 130. <br />" " stool lb., .27, " " " ^ 40. <br />" " 011 " `B1. , .J b. " rr n r. <br />2U. <br />" feel " ton, b.70. " ~~ " ___ <br />" tranaportin~ auppllea to mina inolndod in above. <br />" " eleotrio ponor $6.?,5 por h.p. por oonth. Avera~o <br />ooat total povror per donth. $G00.00. <br />~_ -~~ r <br />
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