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&OI5?LIIi G-C ontinne d .
<br />a r, ,. Shaft at all stations is provided oath guazd railc
<br />.. ~.i
<br />i ~, ,,,
<br />and doors, and is secured by- pillar of groundupon each
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<br />~'tiR i
<br />~~~ ~,
<br />side sr•fficient to insure safety.
<br />k' .
<br /> l.ll ~rinzes or Hill holes are covered or surrounded:
<br /> :pith :~.ard rails. Shaft is not beine sunk.
<br />
<br />r y,
<br />; T,:IS~ T~T&UDS.
<br />.
<br />., ,
<br />,,:
<br />+ 3 '
<br /> Tire z::ethod of ore ertracti on is usually overheed
<br /> stol:inC; on fill,:d stopes, e+^ploging r7achine drills and
<br />`
<br /> single hand drilling. The water l;;ner, Cleveland and
<br />~ ~~
<br />1.
<br />,. ' q , 1. '.:....
<br />
<br />'
<br />!~ an;;r. stot•ers and .;kll Ivan piston drills are etaployo d.
<br />I
<br />'
<br />~
<br />~
<br />Ti.e nethod oi' tir:Lcrir_r; es:plo,cd is that oY drift
<br />F .
<br />~
<br />r
<br />{ ~ sets, stalls and 1u};ging, end is sui'ficiEnt, using
<br />
<br />+zk ~ e:~hite sl.rnce and Line, pre1;ared Ly hand. Condition of
<br />~~ tir_~bcrs is r~roud.
<br />
<br />E ° `
<br />~ C}:sites ere loaded b}• hand and gravitation.
<br />h~ ~
<br />~ ~'~
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<br />3 l UT IT. ::G}iG[;I~1) TI•;1:T,:1;iITrU.
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<br />~ eei TT;c vnCicrgrui,nd trt.ciu;ing is done L;~ Luekvts on
<br />, ~ , ,~;
<br />~ truc'_s rti:n Ly I:uud, z;sin~, the }:undric az;d I3olthoff type
<br />~ 1E ~~ ~(
<br />'
<br />~
<br />~~~'.~; r
<br />of Luck.ct3 and ours, p;f' °7,,, roils ~d lE: inr.h guagv.
<br />
<br />Thv urd3uury vt:lvo tn~c'rut ie~ ur~l,luyvd to orapty
<br />l~i``~
<br />t cur::}., }.uist r:f, .%0 ;0 ,, a.7-lon.~ per/,9 },uvrrz.
<br />VkiiT].:.:~'Pl~i~ .
<br />i Tula 1'rol~~.~r•t~, ~ ~~ v„ra.l:acC! },y sin ui,rug.>~a 1'rorn 1st
<br />4 1cvu1 to orr±•ucu, w,d else a T.u.l, :itr~'rtvvarrt b1o~•vor.,
<br />cr:d i.: ;.zc:'f1r;1G;r;t in ].'run :)ui-e; ~:}ruYt, f;u nuxiou.r „uaoet
<br />
<br />,.!~: c,Lc L~1r~,L~:r¢: },uvu i,c,un rtarnuvuti i"rur+ t~zadur~;ruunli
<br />-`J+
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<br />ld m,~
<br />' Shaft
<br />vided with
<br />accessible
<br />I,andi:
<br />20 feet api
<br />sent conne
<br />T°ine
<br />upraise on
<br />accessibly
<br />eight
<br />cur.descent
<br />and sto}:e.
<br />D}.' V1Z01'I~4ET
<br />TUta.
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<br />n
<br />L".YI Eiul'LU'
<br />i.Vex
<br />undur~;rac
<br />CU~'P.
<br />Cur~1
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