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r,f p;,~> <br />f ~~ <br />i <br />~ ; i' <br />,; ~ <br />i u <br />~, <br />,f <br />~ . <br />,~ <br />RRI <br />f <br />,, <br />j, <br />'; . I <br />II~ <br />•~~~ <br />i.1!~ <br />i' ;' <br />~'~ <br />j`. <br />~~ <br />1 <br />i'I <br />i <br />II <br />i 'I <br />~~l <br />S <br />t I <br />1 <br />ii <br />! I Y It <br />-~- <br />~3'PL OS Z VE S. <br />- - - ;. <br />n-?'o::t !'Or; rrrdar. Bear fu -e and 5-r caps and wooden <br />.._::^nin~ bar; arc used, Explosives in excess of one days <br />suprly era not sterad underground. The average amount or <br />exylosivas kept in stera~e is Y000 pounds. This is kept <br />in a £ra¢e, iron covzr?d magazine situatzd about 200 feet <br />from 5'naft house er an; ether buildings and used Tor <br />this i.nrpvsz only. The device for tha•,vin;; •pcrvder is a <br />;,aLvanisz•' iron. double boilsr for ~norder 'neater, ' <br />~: I 1_ I ,_ i; k ;; D _ I T: E I: ,?. T H O D S. ' <br />The ~.ain opening is ~ s,ea_'t 567 fze+, seep ~•rith four <br />Ie•:'els running off in both directions on Lhe vzin. Ilv.l <br />lev__ is 165 feet from surface and the :,,; drift is in <br />~bvut 1200 fzet from shaft. Iv v.^ level is 265 feet fron <br />_-^fa-' "`-'-': '=.:u's .nr.;.ir•i, Gff i:~ uuLi, uir•ections. <br />_... sou t east drift is in about ,20 feel r~ith stalls and <br />ruLz;, all ready £or sloping. I: o.3 level i:, 375 feet <br />Pron. cur•facz~ with the atation cut and some drifting done. <br />T;c.' levr:l is 500 feet from surface vriti, <br />ntativn cut <br />and ao:~c dri~ftirg, boirr~ dine. Thi.^. 1; vhr;r•e ',lyric is he- <br />ir.;; !•ar•ricd cr. at },re:;er:t, wtd also erorririg vn :vhat it} <br />~::•,•..n as 1'0.1 upre.i;e. <br />Tt:c !::%Lhod of ore eztr^actl':.n ds over hand sLopin;; and <br />drii'ting r+ith air ar.d }tar.d rir•ill.^„One ,ran,ingr:rsol :rtoporr <br />and ingcr•sol pl:aon drills arc usod, , <br />The :::ct:nvd of t.imbering Sa etull.s and unuare sr.te covored <br />:: ]. t}: lagrinr,. T}ir• Lir~bvrs are red s};race pr•eparcd• by <br />Lund anal are su°fSclent to :;ecuro au1'rat•' <br />J• <br />ilndr;rgrr~ur.d Lrrnr.~in~ 1:, done by InnA, <br />tbel ca]`~ ar'e ~ <br />u:-;Od °UP l.I'all7ainV. <br />T1c- ~ ::ysLu;c oP v'n.;LIlnLiort 1:: nnrLly naLuralur:d part by <br />ruuavc:;sed ulr, T},:; nuWping ::y;;tan 1s any srnull Dean '~ <br />tripl,a~ Ito.:: pur:q,. E1cr,Lr1.c11.y and cnndleo aru uued 1'ar ~' <br />lir.t,tit:g undvrf;rcuad. Tl:r,ru 7:; a nlluft, vrith tyro comport- i <br />Went::, Inc :;f.dr, 1'nr• luddar::,u1r' and waLvr pi•puu and cnc <br />:ade for nlc7p. Therz 1:; a pnclu>t at each ctutlon where <br />tl,v rrior 1't•vm euc}, level in du:a>od in r <br />1 , unc. then loudod, <br />frvm a cP;u+. •.: into >Iap, ~, <br />I <br />