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~i~ ~~' <br />i11r''+"+P/I~~ <br />P7~ <br />'"~P" <br />h DIVES--3, __ , <br />i <br />r <br />11t <br />~ <br />i' <br />~ fiXPLOS I VES. <br />~ <br />~ i l <br />~ <br />- <br />;'I( <br />i aUsr DaPont powder is used Z.L. German Insolid fuse 5R caps <br />i <br />~,~. <br />`~ <br />,i~. <br />and wooden tamping bars are employed, ' <br />. <br />_ <br />i <br />~dlt~ <br />i~ <br />Ezplosires in ~xcees of one day's supply are not stored <br />~ <br />:{ <br />~ <br />.. underground. <br /><;:; <br />''~' ~ The average amount of explosives kept Sn storage is 2000 <br />•' i pounds. This is stored in a. dug out in the aide hill <br /> cover- <br /> <br />~•! ' ed with iron roof about 300 feat from any buildings, <br />r~ r; <br />Oils, candles and other supplies are stored in a room off th <br /> e <br />f <br />Assorting house. Device for thawing powder is a double hot <br />~, water boiler made for this purpose, <br /> <br />' ~ MI I1I h G _Iv D 1_I1VE METH OD S. <br />. ~ <br />3t I <br />~ 1 <br />'fhe main opening is a tunnel on the vein in about 1200 feet, <br />p <br />~ <br />~ knave as Ho,3 Tunnel. There are two other 1'unnele above <br />~ <br />r'' this one that rune out to surfacA on the same vein. <br />;~`;~i <br />,xa These levels are connected by manways and ore chutes, <br />Ild,~; , <br />yy';!;,I <br />~, <br />?'~ <br />j' <br />P.11 suPPllno are handled thr.oug}r tho main level. The tim- <br />hers and other su <br />lie <br />, <br />r pp <br />s are hoistod to tho uppor levels by <br />~!'` <br />;~ a small air hoist. All psr::onr, are prohibiteu from riding on <br />' <br />.,,.i bucket or cage, The cable is Sn goad chaps, <br />11~ ~~" ~ <br />i,l=!'~ ~~ :,tale node fa used for. si. <br />],na.ling,All lcvol statians am <br />~~ <br />' <br />t <br />~'jl <br />,' ~• <br />( <br />'~ provided with passago way around ehnf t. The shaft is provid- <br />9t.1., <br />~ <br />r6 <br />t~l,t~~ii <br />ed with .Guard Rails. A doar So plucod sufficient dlatanco <br />I,i{'r~~ <br />}~, <br />~ <br />r <br />~ in Pram entrance of tunnel to prevont admission of gnson <br />~ <br />ip <br />j <br />h <br />~ or fumes. <br />i;, <br />~` <br />..•"~ <br />i <br />~ <br />Thr; method of orr, oztracLlon ie drifting and ovorhund sloping, <br />Il <br />~, <br />~ <br />' <br />with Waugh and ingarsnl piston drilln, . <br />I <br />,',~ <br />i <br />~ The method of tLnbrring la stalls and square sets covered <br />i,~t I with lagging. <br />LI~ i <br />i i,l ~( <br />The Limbnrn arc pr•r;par•erl by hrurd from <br />ins <br />d <br />d <br /> p <br />an <br />ro <br />spruco, <br />III: Are in good candition anri nufficlont to socure safety, <br />I`;I Chutes are loaded by hand and gravity. <br />,° II <br /> <br />~ <br />~ Undergrroural trnrmnlnl; 1:; dour; b }rrr <br />y nd and rmrle with one ton <br />h <br /> <br />~` elan <br />1 curs, <br />; <br />1f~ll <br />~~ <br />I <br />Thu truckage Sr, 10" gunge and 12/{ 7' rails. <br />~~~ <br />' The drainage Ss a ditch nn orae uirle nl' Tunnol. <br />. <br />