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MINEBK00891
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Last modified
1/12/2009 11:08:45 AM
Creation date
11/18/2007 12:21:04 PM
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Mine Books
County
San Miguel
Volume
16
Document
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A
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Liberty sell--4 <br />GEI7ERAL RE}dARKS--Contin. <br />All shafts, pits and other eacavationa on the property are <br />aeourely covered. This dine has been a regular producer <br />for fifteen yeas. Surface transportation is done by <br />aerial wire rope tramway 1~ miles long, which connects amine <br />with E~ill. Hoisting plant oonsists of 1-150 H. P. eleotria <br />hose that is need for lowering ore and dirt and hoisting men. <br />The shaft is provided at all stations with guard rails. <br />Electric signaling and Colorado Dods is used. Code o3 <br />signals are posted in Engine room, collar of shaft and at <br />each station. The sages are equipped with bonnets and <br />safety clntohes. Clutches are tested once a week. There <br />is one eggs tender on each shaft. The mill consists of 80 <br />stamps, with and up to dato concentrating plant. In ad- <br />ditdon there has been added to the mill this year a plant <br />to troat the concentrates by fine grinding and oyanidation. <br />Tho cyanide precipitate ore ^mlted to bullion and shipped <br />to mint. 75100 of the ore me from what is known as C <br />level. The mill treats about 550 tone per day. <br />
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