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MINEBK01047
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1/5/2009 2:17:45 PM
Creation date
11/18/2007 12:25:35 PM
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Mine Books
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10
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MINING AN--D MiME'. METHODS. <br /> <br />120. 2 shaftis 4` X 7`_in the clear; timbered to the <br />110 foot poi t~een~h square sets from the 110 foot point- <br />to the bottom; 616 feet. There are ei~•ht levels, and a winze <br />100 feet deep on the eighth level. <br />:fork is being carried on at present on the sixth and <br />eighth. levels and •in the winze; and mostly in new .ground. <br />Hoisting method employed is by means of a single <br />deck cage. 11~en are raised an d, lowered with hoisting mach- <br />inery, weight of load hoisted, 2,000 lbs. ,. distance hoisted <br />616 feet. The cal?le is a one inch round crucible steel, <br />and has been in use eleven months, and is attached to <br />humble hook with clamps; hoo~;was changed about two weeks <br />ago. Cage•is equipped ovith bonnet and safety clutches, <br />.and the same were tested about two weeks ago. The humble <br />safety hook is employed to prevent over.-winding. Material <br />is hoisted from two levels. Ho eager is employed. <br />A 3/8" wire bell line att.ached,to an eight inch. gong <br />is employed. The state code of signals is used. Code of <br />signals is posted in engine room, at collar of shaft and. <br />each level station. Persons are prohibited from riding on <br />loaded cage; skip or bucket. Notice stating. the maximum <br />number of men permitted to-ride upon cage at one time is <br />posted. at collar of shaft and at each level station. The <br />Hendrie and Bolthoff type of ohairs is er,~ployed on cage. <br />Guides art3 4" ?~ 4" Uregon pine. All level stations are <br />provided with passsi~e-tvay around ~~~orking shaft. The shaft <br />at all stations is provided with glzard rails. Shaft is <br />securod by pillar of ground upon each side sufficient to <br />insure safety. ?'','inzes or mill holes are not covered or <br />surrounded with guard rails. Shaft is not being sunk: <br />The ztethod of ore extraction is that of overhand <br />stoping, r,sing 2-1 /4 Sullivan, Ir_gersoll-Sergeant, D1?urphy <br />and Shaw Eclipse machine drills.. S1o hand drilling is <br />.employed. <br />The method. of timbering employed is that of stalls <br />.and lagging, and is fair, using-,rod and white spruce <br />prepared by hand. Condition of tir.,bers is good, except <br />
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