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MINEBK01143
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MINEBK01143
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Last modified
1/5/2009 10:34:15 AM
Creation date
11/18/2007 12:28:27 PM
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Mine Books
County
Boulder
Volume
16
Document
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A
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1 <br /> <br />purest - 3. <br />Ogg g• & O E E B O D I E S- Contin. <br />Thu oharaater of vein tilling is quartz and lino-and the <br />metals are Bold. silver, lead and zinc aitd•the principal metal <br />is silver. bbont one-fourth of the vein filling is oenoentrat- <br />•ing ere and three-tourths is smelting ore. The average monthl9 <br />prednation of ere is 200 tons with an average"valve oi~~2 6 pa: <br />ten. bll ore is treated at the public works. <br />S II B F b C E P L b II T <br />~~. <br />1 <br />rl <br />~- <br />;'i ~ <br /> <br />The surface plant consists ei a 2-drill Burry bi= aem- <br />presser; 18 h.p. Eleatria hoist; 2b h.$. eleatria motor, <br />The heist is equipped with a positive indicator in plain <br />view ei the engineer who operates at the engine. The engineer <br />is fifty-two years of age, has had twenty-five years of eaper- <br />ienee and ie not addicted to the use of intoaloating'Tigners. <br />Tha power house is 14' a 40' built of wood and'iren=''` <br />covered. The smith's shop and the changing henee are in the <br />power honss. The head frame is 2-post, 10" a 10" pine timbers <br />and 18' high. The sheave wheel is oast iron, 30 inches in li= <br />• amster and filled with rope. • <br />The cellar of the shalt 1s leiel of the ground but a <br />trask is run ever the shaft sad a low oar used which covers <br />the shaft. The shaft Se outside and ds.eitnhte 12' trem the <br />power honss. IIo preteation against fire is provided: •'' <br />There are no ore bins as the ore is curried direct to <br />the oars of the railroad by weans of tram care on a gravity <br />tram which is 7b0' long and doable-tracked. <br />I <br />-saPZOSIVES. <br />.. <br />~ Dnpent powder - 40ya. Gsrman Iaeoloid Suao, 6-Z cape and <br />~ wooden tamping bars are smpleyed. Ezplosivse in eaoes~ oi_ene <br />~• : . <br />days supply are net stored nadergroµnd. F <br />The average amount e2 eaplosives kept.en hsnd la 20Q#. <br />
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