MINEBK00531

• County: Gilpin
• Volume: 11
• Document: Inspectr
• Suffix: A

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