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<br />Aurora - 4'. <br />• - SIIP.FA CE PL1LI1 T - Contin. <br />on the east corner oY the'same. the ore bins have a oapacity <br />oY 25 tons each, built o* ~" plank. <br />-'The sur3ace transportation is by `wagon to Central City, <br />Colorado. <br />Lighting on the surYace is with oil. <br />E X P L O S 14 E S. <br />Dupont, 40%, giant povrdor; German Insoloid Yuso and b - X <br />Daps are urod. The povrder"irs not kept in a magazine but in <br />the shaft house. (bout 50,w o3 povrdgr ir, the average amount <br />kept on hand. tso dovioe xor thavring powdor has boon providod. <br />U11e, oandlos ana othor combustiblos arg not °torgd vaith the <br />powdor but are kopt in tho nhaYt house in anothor part of tho <br />building. 1'roodon tamping bare, arv"providoa xor. tho uno oY tho <br />omployos. <br />lJ1IIi I NG Fc ldI I(F MI':THO DB . <br />The main opening 1[s a shaft :i10' in doptlr, orilsbod with <br />6'• S 6' tirnbcrs for a distanoo of lb' i'rom flits rturfawu. 'lho <br />balanov oT tho shaft is timbcrud with pt'st7.lta [snd aboddi.ng oi' <br />N" plank. the shaft in ;;~•' r. ©' in tho olonr, riividod into <br />two oornp:artravnts. Unv oompartmvnt, ?~F' x ~'~!'' , is ussed foA' a <br />buokot-vniy and thg oi;hcr oornpsrxtrnnnt in u~vccsrsrolescLergisl.aprr'sray. <br />'1'ho ladfler-vray vontr:i,nss sstoam and ~n~ter Y s , <br />wi.th~good and sseourv lrrddors, and gnssi7,y atsoonssi,bin, '1'ha lrusd- <br />inl;s arv ;:U' tv i3U' rspt.`rt. <br />Jwvols h~wo boon drivors raat7L' and wosU oY. ttso shaft' at a <br />d4pth ai' titi', 7.'IN' c.nd "TO' prAm Ilse rsurfrxo4, 4'1'to ora,Ht drid't <br />rat the t36'-loirwl iss lqo' iu lon(;th and thr, wasp Qvi~tr~is~ t0ee <br />lon~5. 'Phv vnpt d~til-'t sit t}srr 1'!b'-levril is .,GO lonL, <br />worst drift is '500' 7.on(,. '?.t~0'..luvr~l, vnsL' d'riYi,' 60' and writsU <br />drift '/t~' . t3omv stopin(; lv,u anon dons, irs tho IlF' -1vvo1 nMd <br />1'16'-1ovo1. Thu only vrork isoinl,; drrrsfs at this Brno is sinki.nf;: <br />tlso shaft r <br />i <br />~" <br />':` <br />