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i; <br />is <br />i - , <br />I!I' Copper Glanoe - 3: <br />'' I <br />', t <br />ORES '& 0"R'E' BODIES-Coatin. <br />'~ ~',~ Thi~oheraoter of veia'tilling ie iron'enlptfdee`aad <br />;i yao.rte and the actala ere golfl,eilvere^d'eo~per with'`gold'the <br />principal metal. Ho assays or analyeee were obtainable. About <br />', oae-ha1Y oY the vein filling is concentrating ore and the <br />"' bAlanoe ie of'a'reiraotory~aature'with''an everage value of <br />"$z0 per ton:''The'everege''monthly production"of `ore"ie~18'~tone. <br />j.(ell`'ore°is'~Creatad`et"the public"worke~'~ -' ~~'-' - '~" ~, <br />~I{ .._ . . ..... ... .... . ... I <br />9 U R F A O E P L A N T <br /> <br />There are no bnildinge at or near the portal oP the <br />~ tunnel and no proteotion'egainet eooident'by'tire~le'needed. <br />jsl The=emith''e'ehop is`irame` iron-oovered,'14'id.6' and~'eituate" <br />100'~weet"'of'the portal of 'the'tunnei: There ie one 20-ton ei <br />i~l~ ore'bia'eitnete 30''eonth''of the 'portal and ore is trammed ' <br />• direct from tfie'tunnel to the bin. ' ~ ~ • <br />.~ <br />E S..P b 0;S I V E 8_. <br />,.. -:~:. <br />i <br />Dupont powder - 40,x, German"Ineoloia fuse, 6-E oape~end <br />~~ wooden tamping bare are. employed.,Exploeivee in excess of one <br />;'~ day's supply ara not stored underground, <br />!d~~ ~ 'Ho magaeiae for the''etoraQe of powder'ie 'prowl4ed ae <br />,,;;. <br />the daily supply ic`takou from the'etore'at`euneet by `the '"° <br />miners. Ho device for thewin <br />g powder ib nrovi'Q'ed. ~' ,', <br />• 'DQIHIBG Qo MI HE MI;'THODS , <br />''; The 'mein opening is a cross-out tunnel ' ~ <br />43t x 7 la the <br />olear~and~drivenon'eunitorm grade of about"oae-bolt ot~ono <br />per cent. The tunnel ie 1tl0' long and the Yiret•28' ie timber- <br />ed- with poste sad aj~p4 the `balance 'a~f 'tho tunnel requiring no <br />i timbering. The ventilation ahd drainage ere natural end ao <br />noxioue~gaeed ere met with: Vontilatioa ana shafts <br />x'y oond'it- <br />i" ions are'gooa: UadergrouhG tramming i~e~done by harid~end steel <br />,. <br />'~ ~ i ~ <br />:/.~ <br />I~ <br />~~.~- <br />