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^ <br />v <br />MINING AND MINE METHODS. <br />-relopment, s:n:afts etc. <br />~ Nature and. extent of main opsrtir~y:- <br />The Roclzlofi' shaft is 825 feet deop, and has seven levels <br />aE;F;re.gatirtq 200D feet, but are erorkin,' only L'wo, tho hth. <br />i <br />~i and 6th. Tk!is shaft is voryicla fro^~ tho top d.o:m 50 feet, <br />and thin t5oes down on a slight incline for 100 feet, so that <br />I the, shaft lack:; about. 12 feet of beiriE; plumb. <br />: Nature and extent OY Othe 1' 'rlOl'$ltlp;a:- <br />On the 6th. level, there :xre 3 men vrorl:ing a block of <br />Around, titroul3h a crinzr. and upraise, on a sub lease from the <br />Fretrcir Leasini; Co. The Company has part of the Durns, 1+4orning <br />I Star, Isabella and Pharmacist claims leasod. <br />Proric is carried on at the nrosent time on the nth. and 6th. <br />levels. <br />In some places they are vrorl:irtg under old stopes and over <br />others. <br />The traps and dravrings are not complete. <br />hoisting:- <br />T.~etlxod e;nplayad, enF;ine and bucket. <br />1'.en are raised o'r lowered 'with hoisting; machinery. <br />PleiF;itt of load hoisted, 800 lbs. <br />Distance s^_oisted, 625 feet. <br />Charactor and condition oi' cable, 1 inch, round steel. <br />Coble has been in use since Jauary 1903. <br />Charactor of caE;e or buckaC hook used on end of cnblo, clamps., <br />Sarno eras chanF;ed, January 1903. <br />I lt4atorial is hoisted from tyro or morelevela. <br />~, Ono half' inch~'"iioll :Lino entployecL. <br />E;tate code is employed. <br />~! Cocle of signals is postad in artr;ino room, at collar oi' slrai't <br />anll at each level station. <br />Persons are pro. ibited From ridlriE; on 1ordad ca(~o or bucket. <br />i This ordar is postad rtour the colLir. of the shai't. <br />plo notice stating' the maximum numbar of rnen Perndtt•ed to ride <br />upon cage or buclcat, at one time, is posted at the collar of <br />the 9'flaft, or at atrch level station. <br />.th ' ~ Duckat•is loaded from chutes, <br />~ All level statious ara provido4 :pith pan;aatgo vray arourtd <br />worlciti(y shai't. <br />The shaft• at all stations is proviclod with p*,u+:tird rails, <br />