MINEBK00940

• County: Boulder
• Volume: 15
• Document: Inspectr
• Suffix: A

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Bell - $.
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There are two']mown vein~'but'the'wor~'is oonfined t~pi'the
• He11 Tein vrith ~tlie strike northeae`~' sad soutliweet end Sippiag
to the north. There ie one ore 'eh"oot' 30' SYi length sad oae
40' in length. The eaoloeing rooks are granite end the gangd"e
ie mineralized lime with no faults in the vein: The'vdin ver=
See in width 'from 1'"td 4'. wltlt en average width of: 2'i beagth
1,400'~_heighb 60d':
The oharaoter of .vein filing "ie q`nai`ts~, IJorphyry and''
lime sad the metaTe are~~goll. silver, lead and iino.~ One-fo h
oY the vein Pilling Se oonaentrating ore and. the balanoe ie
emeltiag ore with an average valve of $17 per ton. The s~er-
ege monthly production bf~ore is 30 tone~anQ ell'~oie ie treat•
ed at the putili~o works:
8 0 R F A C E P L A II T.
The surface plant consists of a 100 h.p. boiler - Retnr~
tabular type - and a 9". a 11", double cylinder, Yuloan gear,
steam hoist. ~ ~ - '
Soft noel ie need for`fuel,~~the water'~ueed in~tlie bo1Y'e;
!e taken fiom the mi~ie end the.preseura oarrieQ 1e 80~, ~Tli'd
boiler hoe no been iaspeoted. ''
The hoist is equipped with a positive f'ndioator in'plei;
view of the engitteer who operates"st"the`'englae. The engineer
!e thirty years of age, had hed~ten•yeare of'experieaoe and
is not addicted to the use' of latoaiadt'ina '!ignore: "
The shaft is in the tunnel. The engine room lea cham-
ber in the tunnel and le 20'z3D'a36',~nnd 400' from the portal
'oi the tunnel: Thee head frame is ~C~goet, 12" "z 12" ~plne t1®-
bare sal 80' high: The `sheave wheel ie'4' in lienieter,`oaeE'
iron and fiilefl with rope. The timith'e~ehoy111e a creme bui1Q'-
ing 14' z 16' anfl,eitunte 26' peat of the portal of the tun-
nel. The boiler room Se a frame buildip~ RO' z ~' iri siye
and 'eitnate 30' neet.oi the `portal of bhp biy~ti' e1i 173e Ohsgg-