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The metals are gold, silver and 3ead, All of the vein fill- <br />ing is concentration ere s, with an average of15,00 per <br />ton. The production is about 1500 tons per month. <br />STJRFACE PLANT. <br />The surface giant consists of 1-10o H.P, boner for <br />heating purposes, water used in boiler is from Canon Creek, <br />Pressure carried 15 pound+~, 1-100 H.P. Electric motor for <br />?unning air compreaslars, 1-100 H.P. and 1-35 H.P. Air com- <br />prer~sora are Inperaoll,ltand, They are stationed about 75 <br />feet from entrance of tunnel in a frame building, 20 x 60 feet, <br />The other. buildings are boarding house.30x s0 ft and,Chang- <br />t <br />i*!g house 15 x 20 ft, trans terminal and blacksmith shop <br />about 300 feet Prom entrance of tunziel, <br />F X P L A S Z Y E S. <br />Du Pont. 40~o powder, .imported Insipid ZL.fuse; 5-x <br />caps and wooden tamping bars era used. Explosives in excess <br />of one day's supply are not stored underground. The average <br />amount of explosives kept on hand is 1500 Pounds. "'his is <br />kept in a Frame, iron covered, mag~lzine situated about 300 <br />feet west fxom entrance of tunnel and used for tlzis purpose <br />only. oils, candles and other combustibles are stored i>z the <br />tram terminal. <br />The devise for thawing powder ie a steam heated house, <br />K I N I N G A N A, M I N E'-M E T Hid2) S. <br />The main opening is a cross ev~t tunnel 2100 feet in <br />length where it taps the atlaatvein, From this point of inter- <br />section the tunejel,ia driven on the vein bath ways, about <br />?coo feet west and 3600 feet Fast and is connected with the <br />old Atlas xorkings by an upraise of 200. feet, <br />The method of ore extraction is overhand staging which is <br />going on mostly on east aide of tunnel trt~T~Ingersoll, hammer <br />and piston Grills, The mat hod of timberi_pg is stalls covered <br />Qrith lagging,. The timbers are »ine. and s»ruce r+repared by <br />hand and are sufficient to secrare safety, UJ'~erground Lram- <br />ming is done by hand .and. mule s, Steel ®ars err, used for <br />tramming. Chutes are loaded by hand and gravity, The system <br />of vant~it~:~ion is natural, ail old t-iabers„have been removed <br />from underground, and the sanitary eond3tisr~a are, good. <br />Candies are used for underground lighting, <br />- 3- <br />