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 />
|