MINEBK00940

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

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Cold Spring - 5. - -`
M I II I• II G &' M I II: E METHODS - Contin. ',
the manegemeat'tb•diaaontinue hoieting•nntii the'errival of
a hew asbls.whiah'had been orderedr '. -
A safety hook and ohain 8astened on end of:oable"with=-:'
-•aliempa is employed anil hex: been: in nae three: monthev
.. :The State-node oY aigasle=:and pull- belle are 'empl'-0yed.-.
The bell line Se+Bos B vrlas-'ins good condition. The"Dods of
aigaale ie posted in'the engine'~ioom, at the'oollar of~the
abaft and at the level stations. - - ~ : ^-
"•Pereena are prohibited front riding on loaded~bnokets
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and this order is posted near tha collar oY the eliaft:' T$s-=
maximum number of men parmitted to •ride in the buoket at one
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time is two and this order is properly posted in.their respeo~
five pleoes..
• Ail level atatibne are provided with passage-ways aioua
the'working.ehaft bflt gbard rails are•not~provided: The~ehaft
ie aebni•ed on snob aide Aith pillars of'groufid euffioient to
insure safety. The stuff ;i nat being sunk. '~
The method of~ore'~extraotion is overharid''etbpine end
drifting. Rand and Ohioago Pneumatic maohine dr;11e end e1Sme'.
single bend drilling are empioged• _ ~~ `~ - ~:
-..: The method oP timberittg le etu7•ls.oevered with legging.
The timbero are prepa$sd'by=hand from gins end ep'raei;~azs•!a
•.gobd'oondltiou'end enffibient'is eiee.anfl'nuciber to eebure' "'
' safety:.., ~ '.
'Chutes are loaded bq.:hand and-gravitq. '< :., ":' :: ':
. " ° ' Underground'trammiag ip~done'~iy hand with'etseT`bUbkdt
and wood trollies:on a traokage of l8". gunge and 8~ T i~Ai~6"'
' The=water in the mine``-ia handled by means of gA-Elso-.
trio•pump~'~ 3" x 3"''- "and a 12'h.p:'Dsmming tlbtbr~'Ti{n"gdlle$i
le .the average amount of water per mirmtd`and-it ae Drily $bN=
essary to •pump ~hr6e'flonre'out of i~siy"twexity-2odx'i~~ • ' .i~•t:r
• The ventilation i'a n8tui+gl. good and ~euffioLenb; gy"dt
aosioue gases are met pith.
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