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-3- <br />S U R F A C E P LAN T, <br />One 100 H.P. holler for heating mill snly, one 100 H,P, <br />Rand drill air compresses and one forty stamp frill all <br />under on8 rd ca P. The other buildings are, one two story <br />boarding house and bunk house'20 x 100 ft, and one two <br />stortr office 20 x 40 ft and one"stable 24 x 50 ft, <br />H O I S T I N G n i, q N T <br />Two 10 H,P. Azzaronda hoists for sinking wince, These are <br />used in No 1 level for sinking wine to connect No, 1 wi+,h <br />No, 2 level which is lon feet. Air is used for power, <br />' E X T' L 0 S I V E S, <br />40~u Gelatine Dynamite nowd?r is used, Imported Insaloid <br />ZL fuse; 5-x Cang and wooflen +,aizninp hers are used, <br />Explosives in excess of onA day's surely are not stored <br />underground, ThA ».verave amount of p?rnlosives kept in stor- <br />age is 2000 lbs. This is kept in a frame, iron covered <br />building situated about 50o ft East of any eth?r build- <br />ing or working tunnel and Cased for this purpos? only, <br />oi1s,•candles and other eombustables arA stored 1n tram <br />terminal. Tee device for thawing p oRder is a water jacket <br />heated by electric lampsr <br />I~INI•N(}R~ MINE-HETHOD S. <br />There are two main tunnels known as No, 1 and 2, both on <br />Barstow vein. No. 2 is at a ]evel with top of m_tl1 and <br />No, 1 is 140 ft above mill. No, 1 tunnel'is driven into <br />the hill for a distance of 4000 ft with all the ore taken <br />out above said Sevel; and No' 2 is drivr~n in the hill about <br />3000 ft with 1000 ft oi' s*,opin done, There is no stoping <br />Boning on at present only two winz~s being sunk to develope <br />the ore shoot below No, 1 tunnel. <br />The method of extTartin? ore is overhand stoning and <br />drifting with air drills; Ingersoll ?zarmner and piston <br />drills are used, The method op timbering is atolls and <br />square sets covered with lag~ing,•The timbers are pine and <br />spruce prepared by hand and are sufficient to secure safetp, <br />Underground tramming is done b.. hand and mules, Truax steel <br />cars are used for tramming, Ohutes are loaded by hand and <br />gravity, The ventilation is natural, winzPs prom one level <br />to the other .and raise throu~,Yh to surface. <br />