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14 <br />Black '<g~~; ~ :. 4. <br /> <br />' . B X P: Z' 0. S I P B' 3 - C~at1a. <br />the penal of the mane], and' peed fir. t}ie , sternge oi; powder o~o}y. <br />A31 ether snppliee-are kept im the rehat`t heueo~. <br />The powder keeps coif aad tharefere ne deviea ier thawing <br />powder is provided. ~ V . <br />HI H ISfi do MI9E METHOD 8. <br />The main openiag,ip a cress=ant tunnel dint Se 380' is lea$th <br />', aad timbered Its entire,ieagth with piste and caps. Be veins have <br />been intersected and se ere produced. This tunnel Se being ea- <br />^n. r::;. .. . <br />tended aad le the only active werk carried oa. <br />,, ,.. ., <br />Direotiy above Tunnel Be. 1 ie ane5cher Dress-out tanael <br />which ie culled Tunnel Be. E• The latter tunnel is 300' in length <br />aad is timbered its entire 3ength v~ith poets and nape. 8o werk Se <br />,curried •n in this tunnel. • <br />A shaft, 70' in'depth, ie,divided"int• two compartments, <br />properly equipped with sate, secure ladders and le is good aon- <br />.,,. - - . <br />ditiea. As uen as Tunnel He. 1 ie extended a short dietaaoe <br />...~ <br />further as upraise wi11 be made to connect with this shaft and•it <br />wiii then be need for an additional exit and f•r air. <br />,At a dietaaoe of 100' from the p~rtal••in Tunnel Bo• 1 and <br />r,r a :'rat .' ' :, is ~~ _. r .. ..,, : ,, ", i <br />~',uyraine is made t• the surface aad ie equipped with safe, secure <br />. ..,. •~ <br />aad noaeenibie iaddere. The upraise is in geed condition aa6 <br />^eourely timbered. ~~,rn;.. <br />-•n.. ..~ r ; ~~ <br />Beth single~nnd dsuble hand drilling is done but ao machine <br />~,.c '~ <br />dri11^ are employed. ]fe ere ie preduaed. • <br />The method employed fer timbering ie pent^ and onpe.•The <br />., r+ ,• ~, . ~. <br />timbez^ exe prepared^by hand irsm red spruce, are Aix g~~d con- <br />, r ., .,.; ,, ., f~ ~-.. i ~, i. :!~ ..,, r, ~. :.: <br />ditiea aad salfioivat !e sine nnd.numbere t• secure safety. <br />Undergriu~lll tremmiag ie deae~by•hand with steel cure en a <br />;traoksge K 18", gangs, sad B~ T rails. <br />veatilatiea aad drnianga are natural and the eaaibary oen- <br />ditiens are geed. <br />Oaadle^ are used fer Sighting underground. <br />I <br />