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<br />~~ ~!' <br />~; ~ , <br />,;~ <br />~1~; <br />~~•.h <br />~I i <br />~' ` <br />'~ ~ <br />;: <br />~, <br />(~ <br />Ii; ,, <br />;,~;~ ~ <br />i,,, ~II <br />'I~ <br />' I . <br />1'.• <br />r•~~i <br />7. i; i'. <br />~I <br />~:'ii ~' <br />~. ,, I ~ , <br />ik? t;,'~' J; <br />~I i <br />,,,1 <br />.i.~ <br />r.. <br />`~,I'i <br />1lti <br />~i <br />I~J~o~l ~ <br />~II <br />Y <br />~I ' I <br />I ' <br />i~ q±l 'I <br />~~~ II~11 <br />iy ~ . I <br />~{ I <br />~', <br />I <br />,i <br />' ~~ <br />Expl,oslvES, <br />Dupont 40~' powder, Z,L. f11ae, Wooden taming bare gre <br />provided fQr F+?m+ioy9a• EnrlCaivea in tyxGe6s Of OIIB days <br />supply are not stored underground,but ie stored iII maga- <br />zine provided for that purpose alone, which is located <br />150 ft, frog main workings; about 500 lba kept ill storage <br />Hagazine is a 10 x 12 frame iron covered, Mine is provided <br />with device for thawing powder, a 6x.6 frame iron covered <br />steam heated, ' <br />REVEL OpMr^11T <br />1 shaft 4-12 by 14 timbered with 10 x 10 square sets <br />500 feet deep, divided into 3 compartments; mine has <br />maps and drawings. <br />HOSITitlG atram engine with buckets; men are raised and <br />lowered with hoisting maohineryi,a distanoe•of 500 ft, <br />cable is 8 2a round steel, been Sn use 1 year, a 1~¢u pull <br />bell is employed. State Code of signals ie employed whioh <br />is posted 111 engine room at oo].lar of shaft and eacYi~level <br />station; all persons are prohibited from riding on loaded <br />buokem and this notice ie Fosted at collar of ahaft;~ <br />all levels are Provided with passageway around working <br />shaft; guard rails are provided at each level station; <br />pillars of ground on each side of shaft arc sufficient to <br />insure safety; winzes and mill hobs are covered or <br />aurroundod with guard rails. <br />MINE 1dETHODS: Extracting ore by overhand stoping,with <br />Piston and Hammer drills; timbering by stuns and lagging <br />in nctive spruce atr] pine; ahutee era loafled by gravity <br />and hand.; underground tramming;by buckets on•truoks, <br />Ventilation by oonneotion with othor mines. Noxious'gades <br />era not met with, Sanitary oonditlon 1a good and old <br />timberinga have boon remcved from underground workings <br />ehaft,ia flividefl into ttto-compartments and is provided <br />with ladflerways whioh are safe, scours and eooesaible, <br />Lendinge are provided in laflderway nut to exceed 20 feet <br />apart, There arc winzee and manways connecting levole <br />