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MINEBK00870
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Last modified
1/9/2009 10:15:28 AM
Creation date
11/18/2007 12:20:07 PM
Metadata
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Mine Books
County
Lake
Volume
11
Document
Inspectr
Suffix
B
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Id I IJ E A I4 D ?•1 I v E ?~? E T H O D S,(Continued,) <br />~ ~ z: <br />~ n ~ ~+6 <br />4 ~. <br />l ;r~ ~ f' <br />i~~ G ' <br />1t: <br />r <br />C ~ '~ <br />' ~ }. <br />P 9- <br />{ ' <br />} ~ d•~( <br />t It <br />~~ <br />, ~ <br />~f + ~ <br />( ,, . <br />~'k .(. _. <br />The shaft is secured by pillar of ground on each side sufficient <br />~;; <br />to insura nafet,y. <br />The shaft is not being sunY.. <br />The power house is located 25 ft w of shaft. <br />The method of ore extraction is that of drifting and over hand <br />stoping,by single hand drilling. <br />The timbering method employod is that of drift sets and props, <br />and is sufficient. <br />The timbers used are vrhite spruce prepared at mill,and are in <br />good condition. <br />~ The loading chutes employed are construetod of `l, in plank with <br />wooden slide pates, <br />Under ground tranuuing done Ly manual labor,using steol bucket <br />and tnrek. Trackage lA in guage and 5 lb rails. <br />Ventilation is natural and sufficient, <br />Noxioue pasos are not mot with, <br />Sanitary conditions aro good, <br />A11 old timbers ]:avc been rsmovod from carder frcund erorkinpa <br />vrherover necessary. <br />The shaft is divided into two compartmonts,buokatMVny and l+ack(or- <br />way. The ladder-Tray is provided v,Jtl+ laddorfi,the lndclera aro <br />safa,soouro and accosaiblo, <br />7'he ladder way contains air pipe. <br />],nnclint;n rrro provided in lndder-wny not to exoaacl ?0 ft apart. <br />^•7rero nr,3 no winzon or nuw-ways connecting ]svols, <br />'^ho mina has but ens exit fbr employons~r:utln ontrnnaa only. <br />J';xlt is reurlfly nr.noeafblr, for r.rnployoon, <br />Lighting under grour+cl is that of nr~nd7os caul olortrinl.ty, <br />
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