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MINEBK01032
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Last modified
1/9/2009 3:26:31 PM
Creation date
11/18/2007 12:25:04 PM
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Mine Books
County
Routt
Volume
14
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l;oysl Flush - 5. <br />b: i >r 2,27 G <br />r; <br />30; <br />& MIIIE 1.riETHODS-Contin. <br />tiered with poste end caps, i'or. a distanes..oS 15Q'; Yrom__the por- <br />tal tint the balance o~ the tunnel raquires~ver;,* little timber- <br />ing as it is driven through rook its entire length, the nature <br />oP the .rock being a conglomerate mass oY quartz axui Z~oaphvr~, <br />Tunnel IIo. 2 is 440' distant Prom Tunnel 170., 1. &t_a•point 4b0' <br />_from the portal of 170, 2 an unknown vein is intersected. At <br />900' from the portal the Contact vein is intersected and a drift <br />is run on this vein on the south side for a distance oP 80'. <br />6t a distance oP 1,100' another twlmown vein is intersected <br />end at a point 1300' Prom the portal a_ large porphYi'J vein is <br />crossed. At 2~OOG' Proa the poZ-tal a talc vein is intersected. <br />The only active work o~ried on at this time is extending <br />the drift on the Contaot vein. <br />Tunnel Ao. ?. is provided with good and sufficient doors <br />1Yhi CI1 prevents the admission of fumes or gases should Pire oo- <br />cnr and doors can be operated Prom c+ithont the ttuuiel. <br />The method of ore extraction is br means of overhand stop- <br />ing and drifting. The Conpan~ owns a Sullivan liaohine drill <br />but this ie not in use at this time and single hand drilling <br />is the onlp method eaployed. <br />TSmbers Pre prepared b~ hand from red spruce and pine, <br />are in good condition and sufficient to sec-,ire safety, Posts <br />?.ad cape and stalls backed with lagging is the Dethod employed <br />in timbering. <br />. There axe no chutes. <br />~d~'grcund t='amrs!•ng is done ir` hand wikh stse~. oars on <br />a trackage cf 18" gunge and S$ T tells.. . <br />Drainage is natural as the tunnel is driven on a uniform <br />grade of one-half oP one per Dent. <br />' The systeq emplow ed Por ventllation.is a seven-Snob pipe <br />and a IIo. 5 Buffalo Pan which is run by a 2 h,p, gasoli~a._~n- <br />gine., Ho noxious gases are met with, <br />= Sanitary conditions are good and all old timbers and de- <br />br <br />ra <br />Pa <br />an <br />
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