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!~ <br />i <br />L <br />`~ <br />~r <br /> <br />~ • C <br /> <br /> <br /> <br /> <br />uu •~ awriau~u ~~+wsu - : w <br />?~t I N ]3 AND ;d I N E )2 E T H O D S !Continued,) <br />'!'here are several drifts driven on ore from main incline ~ <br />i <br />The powar house is over tunnel portal ~ <br />The tunnel is provided with good and sufficiant doors at a reasons- ~ <br />i <br />ble distanca from entrance to prevent admission of noxious fumas and j <br />gases,f;:otn~dafd.buildings should fire occur, i <br />The doors nan ba operatod from without, <br />The method of ore extraction~is that of drifting,using Hardzozg <br />I <br />machine drills. <br />Single hand drilling is also employed. <br />The timbering method is that of posts, and is sufficiant. <br />The timbars used are whits spntco prepared by hand at mina. <br />Condition of tir~bors is good. <br />Under ground trnrnrainp, is dons by manual labor,using atoel mina Wars, <br />Trackaga lFi in. gungo,9 lb rails. <br />Amount of avatar dealt with in gals per minutox average ?`u gals, <br />14ro steam pumps aro employed. <br />'fhe vantillntion is natural and sufficiant. <br />tdor.ious gasps ara not teat vtith. <br />Sanitary conditions are good, <br />i <br />All old titnhors hava been romovad from under ground wprkinge, <br />Tha min~+ hrs a doubla exit Por amployaaa,ona raisa and one drift <br />oonnoct with f,Pts surfnaa. <br />b:xits are rsndi.ly nnrsssihla to a~o)rioyasa, <br />LightinC under Around is by cand].as. <br />i <br />TAT13'P1C:;, <br />!~r odu c t i nn, <br />Avsrn~a tonna~a Nnr tuonth <br />Af)0 tone <br /> <br />(~~ <br />