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/ -s- _ _ <br />~nnd gnlanu. Tho motnln aro gold, silver, copper ota., <br />~ Tho nnaay value Sn foom „t•t3.oo to ~3000.0o per Lon. <br />' _S U R P A C ~ 'P T. A P4 T. <br />Tho SurFuce Plant consist of ono returned tublar 40 Horse <br />Poway Roller. The 17ctter used in thin boiler in from a Spr1n~. <br />Pressure carried about 90 Lba. 1, 12x12 1lorwallc high <br />altitude Air Comprnnaor. Coal used For fuel. Tha above <br />is locatod at Tunnel. Tho L11ne has n-ShaFt-houno and holat- <br />ing plant at Camp B1rd 641 no, but.hna not boon ir. use alnco <br />:+optambar, 1910. This property hen no reduction wor1ca. <br />X P L O S I V E S. <br />40 ~; Oelatina: Z.h.I'use and woodon tamping barn aro unad. <br />); xplos ivies in excoss of ono day's supplies are not stored <br />underground. An iron roof structuro nltunto nbout 200 fast <br />from Tunnel is used for powder. About b00 lbs. aro stored <br />at one limo. Device for Lhnwing powder is steam thuwor. <br />64 I 11 I N G •A N D 2.4 I TI E L4 E T fi O D 5. ' <br />~i <br />III <br />I ~~ f <br />Previous to Soptomber 1910 all mining wen dons 1n CamP B1rd ' <br />Nine, but since thon all worlt has boon cantorod on driving '.. <br />tho Copper Nountnln Tunnel. Thv cottunon Homo for this <br />Tunnol i^ Tho Roosevelt. Tunnol. Trio Copper 6iountaln Tunnol <br />was started pn Sopte:mbor 15, 1910. Thoy nro now 1~G0 foot in.~ <br />Lea-~~--G•-- ~ <br />Only the Pan Pnn house and Blnclsamlth Shop and Homo mna11 <br />temporary structures are locnted Hoar ontranca to Tunnel. <br />The Tunnol is provided with auFficlent doom , which can Ua <br />operatod from with out. Ingorsoll-..^.and 7~ loch dr111e are uo-~~ <br />ed 1n 641ning. The Tunnel only requlrod tlmboring for flrnt <br />40 fact remaining 1'520 foot 1n solid rock. Underground tram- <br />1ng 1n done by band. 21 cubic Foot cnpnolty dump oars era ~I <br />i <br />used on 12 foot ra11s. Tho nystorn oP' drnlnaga 1:: by a I <br />drain ditch below. lovel of _1.ract Gx1A Inchon. The_ nvoraga <br />amount of wator doalt with 1a h0 gallons per minute. <br />Tha syntom of ventilation 1s n 14 lnoh water whoel driving ~ <br />ravirrnlblo blowor 8 lnoh plpo 1a uaud. Tho Tunnel is ]rapt <br />olonr and Eros from all dobrln. Cundloa uro vsad for light-I <br /> <br />