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Last modified
1/12/2009 11:27:24 AM
Creation date
11/18/2007 12:26:51 PM
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Mine Books
County
San Juan
Volume
6
Document
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B
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MINING AND MINE METHODS. ' <br />Oe rmun <br />em- <br />ex- <br />z %^- <br />;u th <br />znt oi' <br />red in <br />.tod <br />stored <br />The Stznnyside and No Plarne veins, Lire very lar•g;e. The ore is usually <br />lef.'t in the atope, after beinl•; broken, urrtil the stops is s~orl:ed <br />out. At the present time, terere is from h0, 000 to b0,000 tons of <br />p;ood ore broken ari ready for market, in those tyro slopes. ' <br />Then the ore is riravm out, the slopes vrill be abandeudd. <br />+'.rork is beira^ carried on at the present time in tire.Sunnyside, <br />and P7o Nal~~e veins. <br />The ca,le used. onrtramvray, is a 'u~4 in. or 18 strand, all <br />steel, endless, and i:as been ir: use one year. <br />TUi;ilEL. <br />The main turuzel has been run on the Su:uryside vein, in a bTorth j <br />~, <br />p.aeterly course, about 800 feet. This level is com;ected by an up- ' <br />raise of 100 i'eet, crith ',io. 2, Lidcray is the next level, but it has ''. <br />no connection vrith arty other vrorkinp;s. Plo. u level is corn~rected vri~h ~~~~~~ <br />:Io. ~, but has no ladder-vray. Thee have ,just tapped the ?lo STame <br />vein, vrith a cross cut from tlo. ~ ta:nzel. Tl,is vein is 20 foet <br />i <br />vride on surface, vrhere it crops out. The ore frmn this vein is <br />shoveled into a car, and run ir: to Pdo. ~ tunnel, and dumped Into '~ <br />an old stopo, that leads to PIo. 1 tunnel. Tine ore is all haulod <br />by mules through Sdo. 1 tumrel to the terminal oi' the tramvrsy, I. <br />/ I~ I <br />a dista::ce of sbout 700 i'eet. 7-r-r.u ~rc fnr,~gwGe. ',. <br />The are i.s extracted by ovfferhead stopinl5, acrd there is one ''I~ <br />electt•i.c drill in use. ..",inrlo and «ouble irund dril:Li.ng is also <br />employed. <br />The timberir:g is st;.illinlg +xrzd drift sets, and is suli'icierzt, <br />irr tryost places. <br />The timbers sr•o vrhi.te and rod :;prate, prepared by hancLaud nll <br />iu good condition. <br />Tl:e ci?utes are loaded by baud. <br />`1'he w?derq;row?d tramming; is dwro with iron cars, vri;ich ars <br />fil:Led i'rom chutes, and hiuilcd to tho suri'nce by mulee. 1^ lb. <br />"T"-rni.la are need on nll Crnclcs. <br />T's?o vottt flat lon is secure rl tltra;il:;h turn:e is and upraises, and <br />is sufficient. Ti?a sanitary condi.tJ.ons are very good. <br />
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