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<br />Mining. <br />Developoraent. <br />Nature••and extent of main openinga:= <br />Tuoabn shaft dapth:-I160 feet,}}orth Moyer shaft:-g65 feet,South <br />Moyer shaft.:-450 feet,Stevena.sh~ft:-g00 Peet, Dome shaft:-500.ft <br />The levels,drifts,~~inzea,upraiaea,inolines,and othor workings of <br />tho Iron Silver Co's proporty aro'over twenty miles in oxtent, <br />taany of those workings are closed, and no reliable data can be <br />obtai:u,d at the pra:,~nt timo. <br />Florlc is being carried on at the present timo,at the North Moyer, <br />South Moyer and Tucson shafts by the oompany,and various leases <br />on different parts of the companya proporty. <br />:(spa and drawings:-Yes'• <br />Hoisting. <br />Method omployed:-Steam and elootrioity,iaon are raised and lovrer- <br />o d by maahi~tery,weight of load holatod:-2006 1ba.Diatanoo hois- <br />i^ <br />tod:-I025 feot,oondition of oable goo d, has boon in use 3 year a, !~ <br />Clovice and oye used to oonneot sable with oage,and was ohanged <br />six months ago,cago is oquipped with bonnet and safety olutohaa, <br />C1utGhoa vrera toatad 30 data ago,no safety dovioas to prevent <br />ovor winding,raatorial is hoiatod from eovoral levela,oaLOre are <br />or.:yloyod,bell roysa are of throe oigth inoh ateel,electrioity is <br />'also usod POr aiCnala,liining Bureau boll signals rtro used , <br />Parsons are prohibited P~o:a riding on loaded cagos,and ordor is <br />p oated at ahafta,aleo maxirium numb or of men ellowod to rids on <br />oago.T,svor chairs aro uaod undor oagoa,guidos aro of Orogon pins <br />4 X 5 SnOhea,loval stations ere provided with paas+age way around <br />ahaPts,and guard.rails,as sro ail rrinzea and dill holes. <br />Tucson shaft is being aulilc,and ia•proYbdod xith ohain lndder, <br />nlso bulk hard over nen in abaft. <br />Mino aethods. <br />Maohino and hand drillirk; is uaod in extracting oro,naugh,Herr- <br />z o~,3ullivan and.InT.eraoll maahlna drills ara used. <br />T it.:ber 1nC. <br />Mothod enyloYod:-Stiilla,Crlba,and squats satts.Cufflolent. <br />