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MINEBK00520
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Last modified
1/5/2009 9:11:46 AM
Creation date
11/18/2007 12:08:51 PM
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Mine Books
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Boulder
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~~ <br /> <br />35~. <br />~, <br />r,.,,.:~. .. <br />~' Th=~e'uWa11`~Street3`Oo1d Extraotion; organized`.under'the <br />laws~of.~,Colorado.'-~'•Oapitat stook<~`600';000. preforrsd-stock <br />~150y000~,oommvn"stook+`350;000. Prinolpal offloe~; Denver, <br />Colorado. `'';Business`offioe-Boston,-PRass. >' President, J. A.` <br />lNilder.'of=Boaton;,Secretary'^`and Treasurer, Thomas'L. Nel§on, <br />of Boston. ^' Orgariizod';to~ oonstruot and• operate a'plant,"un= <br />der'trie-'RObinsdn and'.Oneenawalt syetem,• for the treatment 'of"• <br />meta111•ferousores on +e;' oustom basis,' in' Bouldor County. - <br />Dwnea<the~+Harrold.'andlCourtland Mi11'sltea°and additional-terra=' <br />tary,~~Seotion ttvonty-one (21 ), Township one (1'), N. R. seventy- ., <br />tyro' (72) d9est, ~BOUldi~r'COUnty !Colorado. It"has 'oompletod a <br />large plant, at's"oost`of ~`160;000',''which'is construoted upori ' <br />ordinary lines; with~~th'o addition~of dmprovementa'undor the <br />p$tsnta•of ldesarsu'-Robinson and Oroenawalt. 'The proaesa, <br />briefly, is ono of ordinary orushing,' roasting and ohlorination <br />lsaohing: '.`Tho•former ie accomplished by the ordinary mothod <br />of rock'breaker, rolls', and'soreone of tho ordinary-typo. The <br />dryers boong-of'spsoial rnaka and oonsiating of "perp'endioular ' <br />steel toivsre;~with lntsrior ohambor'porforatod,`into'whioh'the <br />oro le-olovatod''and'dumpod,' and tho waste heat from tho boilore <br />is introduood'and penetrates'tho oro until it is thoroughly <br />driod. The°ore is thou passod through Davis Iron 1YOrlcs rolls <br />16x42 and JOffroy's Soresno, raduood to .40 mesh; snd finally <br />aonduotad to d~furnaoo-With ordinary rabbling msohanism, having <br />a 1~; foot hsarth,'15]6 feet 1on~r; gaseous full'being used, whioh <br />is gonaratod~by~gas produoere of ths'-'Orsshawelt typo;` <br />' The furnaoo ys provided with dust ohambar and water pra- <br />oipitating='towor,`into whioh~trio dust,'fumee=snQ gages ure"oollsot- <br />e8 °-and''prdoYpitato"d, ^'ttiue'•prevetttiing the 'esoape' of rFaluos by ` ~'" "'' <br />volstllizati'on'. "After roasting, 'ths' Hot ors is oonvs~sd"into " <br />a soalod pit whoro it is ooolod slovrly and during tho oooling <br />~~ <br />9 ~. <br />1 <br />.,' <br />is <br />i !:. <br />i.'• <br />~r~- <br />
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