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MINING ANO'.MINE METHODS. rJ ~{'. <br />i9ze prlnefpal opnni n;; is t}?e QCntUri en tunnal or adit +,he mouth of '.IA <br />ij <br />;rhich ir, on the S.h.side of Trail UreeY. Gulch about i,',, oS'n Toile from ~'~,,1 - <br />south of same.Size 4r?:7r.Courne 5.20°L.rutting vein about '140 ft.i'rom '! <br />mouthrupon which operati.onn are carrindon t,n the, south westra7l minim; ~I <br />being done through tunnel. ~'~ <br />The tunnel extends farther on to the a.li. but same wan not innpested i,:~ <br />as no wort. eras ~boing carried on in thnt,terri tory. <br />Tha level driven on vein cut by tunnel extends to tha S.1'l.about ti00 ft. <br />above which cons i.dnral>le stoping han bean done and mine driven to sur- ' <br />face. At a point on said lovel aboutr 60 ft.S.l'f.of tunnel a station is , <br />I <br />cut in !vhich hoist above dnscribad in instal.]nd rand an incline shaft <br />(6r~1Or11n sunk on the vein to a dept}z of 260 ft. Said shaft has dip ~i~~ <br />ranging from 26° to h(l°twi.th level.n nt- ~~'l <br />60 ft.ext.li. 'TO ft.mzd Y1,'1.OU ft. <br />160 ft. ° l.. 316 ft.nnd PL IifO ft. <br />'1.50 ft. ° h. :t0 1't.nnd 4'!, G6 ft. <br />All workings below L'iU ft.lsvel ore under water. <br />1'lork 1s curried on nt present time on 6G ft.level went{nnd,16U I't.loval. <br />west also on turnzel level. went of shaft by te+o sets of lnanern svho <br />have b]ocks of gromsd above tunnal level. <br />I,laps and drnwingn ern wii;L uusna};emmzt. <br />T}1e hoistin~t in done vr14~1r skip attached to ti~A'~ steel uab],e in une,1G <br />mm~tht~with clip fastnninK, llei+fllt of load pointed 200(NY.Uintnnce lioiotod <br />1611 ft. <br />;ifpzaln given by v+1 re line nttarhed to trlnnK],art,he Uolorndo Colo <br />boinl.S ompl.oyed. <br />Tho slap in landed by hopper nt, lava ls. <br />:lltip road 30° };ungn 1,'fit//..rniln. - <br />Thn method of mAsini; in that of ovorhand stopingrcarryintq fil7nd stopanr <br />uninK single pond dr1111nES. <br />TinzbarUkS 1n mull and cUd!'t nstsrunitttS red nprune aril pine. <br />Tr+swuing Bono irz 1 ton ntonl ofu's, 'irnoknF;e 16° iSUaga with f1-117-11z~~z'ailn. <br />i <br />__.~ <br />