'.: I N Z N 0 (Ccrt inued)
<br />..{..
<br />The nronrrt.~ is devrl.opr.d by a rross-rut tunnel 5 - 7; 1,pOC ft
<br />to vein,2,150 ft drift on vein, upraise `pU ft,::hirh connects
<br />•r,ith :':o. F tunnel ]reel. Length of stopee.:~here ore is being
<br />extr;~etPd »7(i ft,
<br />Sna.- shed co.-zects mil'.•nith tunnel entrance,distancP bet•nren
<br />mill anti tur:nel entr;utce »0 1t
<br />The tunnel is provided vrith ,,-,ood and sufficient. doors at a
<br />reasonan].e distance from entrance to prevent admission of
<br />::or.ious i'ume.°. or p,BSPS f3'O!n s~:id builtt_r,~s.shoul:f fire occur,
<br />Doors can be operatrr! fror!: ~••ithcut,
<br />The met};od of ore extr;:etion is t};ct. of drifting and ovrr-!:and
<br />stopi:u :••ith the ;durphy ru•,chine ctri].ls,
<br />Sia;le-h-.r.:1 d^illinr is also emp]o;t,ed,
<br />T}re timbe rir:g method is that of drift sets aad stul].s, Is
<br />sufficient. T.hP ti.mbern used rare of :^hit.e sprur.e,pr•epnred b;,
<br />hand ai mine a;d are in r;oo~+ condition,
<br />The loadi::r, chutes emp]ovrd arP of thrPr---in. plan): r•ir,}; mocd-
<br />rn elide rates,
<br />underground trvr_ing it danP b.y ntarntal ]abor ant! mule,
<br />C•teel minim- earn rr~ tined. Gauge 1H in ::nd 1S
<br />lb r;,iln.
<br />6mo:tnt or' enter dP?]t. frith per minutP,]2. DrainaFr• s]strm is
<br />ditci: o:: . i_ra side of tu::nel Pntrartce,
<br />Ventill.;ct.ion ]n n-+turr.l anal st;f}'icirnt. i:oxiou~ gages are riot
<br />mPr. e,it}:, Sanitar}+ co.-,:fitiona err }•ood,
<br />i.]] olc! t im`,Prn }:eve !)Pe:1 renro~•rd frog uncle r; rour•d wori~ings
<br />The mine 'r.ar. ;, dou! lc rr.it.,
<br />],oc:er tu:;rel. is cornertacf by rLz
<br />incline of GC,°, to t'o, A turutel.
<br />i'r.itn ^.rr readillt aCCPSel!)1.P to emplo,e,a,
<br />Lirhtir:a u::derr;:•ound _. 'r~ CandlPS,
<br />S T A T I S TICS .
<br />~I
<br />;,vrra~e tnrL-rage per mont}t
<br />1~R00 to;;a
<br />i.evelopment
<br />Total i'lo ft i.n tunnels gad aditn
<br />a,1G0 ft
<br />
<br />
|