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MINEBK00804
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Last modified
1/5/2009 10:01:03 AM
Creation date
11/18/2007 12:18:12 PM
Metadata
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Mine Books
County
Boulder
Volume
12
Document
Inspectr
Suffix
A
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(}lndye - 4. - <br />E x P b O S' I Y E s- Contiix. <br />ed nadargronnd in ezaeea of one day's supply. The average amount <br />of ezploslvee kept. in storage la 200. Powder is kept in a dug- <br />.. <br />out which ie covered with dirt and eitnato about 100' north of <br />the shaft horse. Oils, candles and other oombnatiblee are not <br />stored with the powder but in the shaft bonne. The device for <br />thawing powder is a boa heated with eahenet steam. . <br />M I H I II 8 & S I R E M E T H O D S. <br />The main opening aonaiata of a shaft 200' in depth divided <br />intro two compartments and cribbed with loge Yor a distance of b0'. <br />She balance or the•ahaft 19 timbered with etnile'. Drifts have <br />been run ae follows: 1b0'-level,- 12b' west and 140' east; 200'- <br />level,- 2b0' west, tl0' east. The ground hoe been etoped out <br />between these two levels. An npraiee has been made 100' from , <br />the shaft between the 1b0' and 260' levels. An npraiee has been <br />carried np froa the loo'-level to the surface at a point 120' <br />from thtl ahait.•She only wort being carried on at the present <br />time ie in the 160'- level and in adrift b0' from the surface'. <br /> <br />There are no maps or drawings of the mina. <br />Steam ie employed for hoie4#ng. The men are rained and <br />lowered with the hoisting maohlnery. Material is hoisted from <br />taco leveler. A weight of b00~ ie hoisted at one time for a die- <br />tenoe of 200' with a b~6' steel wire cable that has been in nee <br />eight months. She cable Se in good aondition. A safety hook sad <br />. , <br />ohnin faetenod on end of sable ie need. The boor arr. chain has <br />been is nee eight months and Se is good condition. <br />The State oodo of signals ie employed. The node of eig- <br />nale ie posted is the engine root only. Pall belle are need <br />for signals and the bell line ie 1/4" twist wire in good oon- <br />dltion. Persona are prohibited ir:rm zidiag on loaded buckets <br />Dnt no notices to this eifsot wezs posted at a~ plnae. Hotioee <br />were left with the arise sianagement with inetrnotione to poet <br />they in thbir proper planes. shsee persons ass peraittsd to <br />rids in the baoYst aL one tine'. Bnok4te,_nre loaded Dy hand'. ~ <br />t <br />i <br />`' ~: <br />~_; <br />,'• <br />~ Si 7 <br />`" ~ <br />.~ <br /> <br />
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