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-3-, <br />!"~ <br />• ~~'` The production is about 3000 tone per month. <br />, <br />~ . ; ?•~, <br />, <br />i' "'" SURFACE PhANT. <br />: ~, ~~ <br /> ~;;,_ The surface plant contsta of two 100 H.?. boilers and one <br />~ <br />`~ it- <br />r; <br />sin drill air compressor, stationed about 3000 Beet <br />'f~ t' ~~ <br />~~? ` '. from entrance to main tunnel. <br /> E 7C P L O S I O E S. <br />(, I <br />;: 1 <br />,: <br />Gelatine 40rr powder is used, imported insoloid Z.Z.. Puae <br /> 5-x caps and wooden tmupi1g bars are used. Expiosires , <br /> in excess of one days supply are not stored underground. <br />•~~ The average amount of explosives Kett in storage is about <br />~ <br />i~i~ ~,~ 200^ pounds, this is kept in a Frame iron co~ersd ma <br />8$- <br />~ <br />"Ft l <br />~I zinc situated about 390 Peet from entrance of main tunnel. <br />. <br />.•,,. I and is used. for this purpcae only. Candles anfl other <br />~~ <br /> <br />~_. combustibles are stored in a storeroom fir that <br />purpose. <br />~~+ <br />~.~ The mine is warm so do not neefl any artificial. powder <br /> <br />T MI NI NG AZ: P MI NE METH 0 DS. <br />.~ The main opening of this mine ig a tunnel 10000 Peet <br />' ;!; • <br />~~ <br />'i long which la known as thet'ooster Tunnel which connects <br />' <br />t'~~ ~ , with the ;iappy Thought mines fro[a this point it is 1500 <br />ij'. <br />~ <br />~ Peet to net^fa.ce the m_ne has 13 levels in all, work ie <br />;~ I <br />~: <br />carried on in the lo•xer ~ level?, at the rreaent tune. <br />e. ! <br />These lerele ate 212 connected ny manwaye and ore Shoots <br />which are urea Por dumping ore down to the main tunnel. <br />All rein iaatt.er is taken out so far as worked. The method <br />of ore extraction Sa over hand stoping and drifting <br />with air and hand drills. The method of timbering are <br />stulla an6smaare sets covered with lagging, The timbers <br />arc; Dine and spruce prepared by hanfl and suPPicient to <br />i; gee^zre sfa safety. Unflerground tramming is done_by <br />mules and hand. Steel cars are used for traunning. <br />i <br />~. chutes are loaded by hand and gravity. S••atem oP vend- <br />, lat_on id natural. all old timers have be~-n removed <br />Prom underground and the geaitary conditions ere food. <br />Candleq are used for lighting underground. The mine has <br />i. <br />f~ four exits end are ready at ail times Pore 1 <br />n~ oyes. <br />The laddesa and manways are in good shays, ladderri and <br /> <br />