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MINEBK00940
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Last modified
1/5/2009 10:19:43 AM
Creation date
11/18/2007 12:22:18 PM
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Mine Books
County
Boulder
Volume
15
Document
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A
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ArBe - 3• <br />O g 8 8 de ORE . S O D I 8 S- Centix• <br /> <br />is <br />~, <br />I~ <br />ni ~. <br /> <br />°'. <br />T~ - <br />~m` <br />'l <br />~~ <br />p`: I <br />~l' <br />1 <br />~t i <br />~ '~; <br />~I. <br />I'j <br />,,, <br />',~ ~~I <br />I! :!! <br />i I ,;~'!i <br />';y'. <br />.. <br />IAii^ ' li~l~ <br />~ ~~'~3i <br />J, ~~. <br />~' <br />i I <br />l~. <br />~~; <br />' ns <br />t iii ,!' <br />~' 1~~ i <br />1 ~ ,i, <br />„ l <br />I.~ <br />,« ~ <br />~~ <br />i <br />ixg ore erorth bn everage:of ~2b per=ton. The balarioe~oi rein <br />Piliiag 1s oY-.s..'ooaaentxetleg xatare .veith~ an average .value oE: <br />~7 per tex. Oxlg the emeltixg'ore.ie:ahipped Yor"treatment;to_I <br />i <br />the pnblio werke sad oeete aothiag 3or treatment oa aaoouat <br />of the large per oeatage of lead valnee. The oonoentrating ore <br />ie da~ed'~'eud•wi11 be treated later'~by~ooaoentrating at:`--the <br />::mine, 4he.averagemonthly,'produotioa oY-.ameiting:ore ae::b0 ''~ <br />toxs`axd~'e3'bonoentratingare!lb0-aone~ ~ ,' ., <br />S II R F A C E P L A II T ~ <br />The ®l.th'e shop, 12' a 14', frame, eitnate 26' south ai <br />-..ahe.tnxxel:ie.the only.buil'diag. There .are. two ore bias •Y <br />b0 toae ospaoity eaoh. ~ ~ .. .... ~. , r, r,. <br />Ho proteotion against fire le provided. ~ '~>"." <br />,.. <br />.. <br />E E P L O S I 4 E S, <br />Calitarnia Oiaxt powder-40~; German Ixeoloid Yuee,;,b-7~- <br />oape and wooden tamping bare are employed. Eaploeivee in ea- <br />oeea aY one day's supply are not stored uadergrouad. <br />': The average amount oP eaploeivee kept ix storage ae 60~., <br />This le stared ix a frame, iron-covered magseine situate' 60' ~ : ~, <br />west of the portal of the tunnel.. The. magazine ie ueed.Yor.~.: <br />the atosage of powder alone end all other supplies sre kept 'I <br />i <br />ix the smith's shop. <br />.IIr dnvioe Yor ~hawixg.powder bae.beea provided but will ~~ <br />be. ce.eeen ee o91d weather -sets: ia.: ., .:.~: , ,; ~ • •~~. I <br />Y I H I H O do M I R E M ETHOD 8. <br />I <br />The.mnia opening ie.a orbee-out tunael 326' ia~lengthr.:?I <br />axd timbered with poste axd Anpe fpr.a.:diethnoe pP 160' Srom <br />the. portsl'.~. At:.the breast: oi:.the'tunnel the, ergo:wbia-'ie ix- ~ <br />terseoted.,axfl a dxift rux.west,•128!~. o; ,the,veix::3x~~.thie'drilt~ <br />- a large; uyre.lee• is_ plods to. the eurlaae, s dietsxoe~~bY~ 70' j '• "''i <br />
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