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MINEBK00004
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MINEBK00004
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Last modified
1/5/2009 10:41:43 AM
Creation date
11/18/2007 11:51:18 AM
Metadata
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Mine Books
County
Boulder
Volume
14
Document
Inspectr
Suffix
C
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III <br />'I <br />'~ ` <br />inggod Top - G. <br />2.4 3 N I 21 G & I.i I iT 1: iS T T H 0 D 5 - Contin. <br />Tho method eLa»logod for hoisting in elootrloity and the ~. <br />men ere raised and 1or:ered frith tiro hoistinC mnohiner,r, A trolght <br />of 800;- is raised et ono time :: distance of 200' tritit n threo- <br />_uarters inch eteol v:iro onblo that iu~s been in uno one ;,rear. <br />.; saPet,-r hook and ahnin, in use one goer, fastened on end o!' <br />cable r-rith socket nnct T~abbitt metal, is ueod. Lrcterinl in hoiatod <br />from t~•ro levels. <br />The State oode of si~neas and ptr].1 belle nro omploged. - <br />The oode of si~nras and other ronuirod notiacs nro posted in <br />their proper places. <br />All level statlonc aro not providod t~itir pannego-renya <br />arorutd the shaft and gru:rd rails have not boon providod. Tho <br />shaft is pooured upon enoh oido with l:illnrs oS trotvrd suTP1o1-. <br />eat to seauro snPet;r. Iiuakots nro lor.dscl bg hxnci. <br />Timbering, sanitary oorditions and ventilation nro goofl. <br />A Buffalo Pan and sig.-inch pipe aro ueod to improve ventilation. <br />The amount of v~ator dealt viith is small and in onolly handled <br />vrith a buo]:ot. Underground tramr!ming 1s done '6g hand vrith stool <br />buolcots and viood trollies or. r= trnoltnge of 18" gunge and 8(~ T <br />rails. Candles nro ueod Por lighting rurdorgroruld. <br />i <br />sTnTZSmze~ - <br />Grooo tonrrngo, 600 tons. <br />dvorago tonnage par month, 80. <br />i <br />dverngo aosay value of ore per ton, •~l&. <br />Cost per ton trnneporting oP ore, `~3. ; <br />Totn1 number oP Poot 1n shafts, 204. <br />Total number o.P Poot 1n drit'ta, 344. <br />Total number of Soat 1n orons-outs, 7ti. - <br />Avorrrgo oost oi' pouor per month, X20. <br />Average post OP petVflOT per month, r1d. <br />I <br />Average oeot o1' blmbar per month, ,''r'10. <br />I <br /> <br />rv1 <br />The <br />opo <br />oao <br />the <br />unlo <br />
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