MINEBK01009

• County: Clear Creek
• Volume: 12
• Document: Inspectr
• Suffix: A

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Derr Era - 5,
E% P L O S I V F. S- Contin.
tance from the entrance. Oils, exndles and other combTrstiblee
are'etored in the mill building.
The device f'or thawing Powder is a tin-tnnk heated by
means oY n Ixmp,
El 1 Il 1 L G & i~ 1~ E Lis T FS O D S
'- The main opening i~ n t;uincl 1.100' in length and driven
on the Oldbury vein. At a point nbo;rt 70U' Yrom tho portal a
cross-c•~t hue been rain north z di•stattce oY 60' to intersect
tho Great :7estern vein ti~hich r;ma parnllel to tho pldbury vein.
Drifts have been r;ui on the Great ^eetnrn vein both wn~n a
diataneo ofi eov~~ral hundred Yeet but no ~~ork. !e orrried on at
this time in those drii'ta. A small emoecnt oY atoping hrsa nlao
been dono in thoao drifts. Tho onl~~ ;•rorY. ccirried on at tho
tiao of this report is extending tho drift on the Oldbur;~ vein
and r. email amo;uit of ntopin~ on tho a°mo,
err •,brindonod ehaft 150' dGOp is e>uilc on the Oldbury vein
:t a point G00' north of tho portal oY the t,tnnol anti nor,r
the gulch. At the bottom of thin nhaft s drift hs^ boen run
south a dlntcneo of 1,100'and oonnaetod r~1th the tunnel by an
upruiaG of 1C0' , iiiG ahr,ft is fillod ;•iith f:atrr,
A small Prarao ^hGd, 10' x 12', protf,ots tho entrance oP
the tunnol froza ntorme, Ro.firo-Proof doors ut the ontranoo 01
the tunnol h:,vG been provided r,a none arc noodod.
At a point 300' frog the portal nn uprulao of 1;,0' hae
boon m~:dc to thc• nurfnoo Yor air and an additional oxit, Th1a
is 'rcpt 1n food rer,air, Proprrl,~ r,-Su1PPad and onn11~• acooeni-
ble to tho GMPloyeri.
ThG mGtnod oY on: extraction is ovcrh::nd atopinL and
driftin~• b,% moans of Lc•~~nor M~,ciiinc drills. SocaG ralnLlo•hnnd
urlilin~ io done aleo~
?cots and cape anal ntulln covorr:d ;rith lagging are urlyd
Yor tlrsbcrinC. ik:c tlmbarn are prcpxrGd b•• bond frail plno tsnd