MINEBK00349

• County: Gilpin
• Volume: 13
• Document: Inspectr
• Suffix: A

ICastle Rook - 4.
_ E% P Z O S I V E S.
i
• CaliYornia Giant,- 4(Yf~;.German Inaoloid fuse; 5-% caps and
wooden tamping bare are employed. Eaplosivos in exaesa of one dal+'s
supply are not stored underground.
_ The average.amouat of ezplosivea Y_ept in storage is 100x.
'This is atoned in a frame, iron-covered magazine situate 100'
vrest of the shaft house and is used for the storage oY powder
only. All other supplies are stored in the shaft home. Iio de-
vioe Yon thawing pounder has boon provided.
Id I Ii l I2 G• & Fd I i1 F. Id E T H O D 3.
The main opening is a shaft 4' x 8' in size and 315!, in
depth. Tho shaft is timbered with 2-inoh plank for n distnnoo
oY 3b' the balanao of the shaft being timbered vrith etttlle. '!he
shaft is divided into two oompnrtmonts ono or iahem being used
Yor a ladder-way, properly equipped with cafe and eaoessible
ladders and has landings ?.0' apart. Tho chart 1s properly aoouro-
ed on eaoh side with pillars of grotusd si>Tfiaiont for safety.
At a diatanoo of 70' fron the surfnoe the shaft oonneots
with a tunnel whioh 10 24U' in length. Ylork was originally anr-
ried on through this tunnel but it is novr+taed for an additional
exit for the employes and is kept in good oondition and is easily
aooossiblo. At a distanoo of 60' trop the shaft a wlnze is s~usk
' in the tunnel vrhloh oonnoots with the 140-it. wont level. This
wlnze ie being planed in proper condition ne snpidly rse possible.
Zevole have boon run rse follows: 140-Zt. level; went, 160'.
220-ft. level: oast, 46'; wont, 113'. 30U-Yt. level; oast, 7U!;
west, 84'. yrom the 24U-it. level to the rsurinoo on the wont side
of tbo ehr-it praotioully all osa of value hna been stopad out.
The only aotivo wort. oarriod on is extending the two drifts
at the 300-ft. level. bt the tine of this examination the worK
of timberiag and oloaning up the debris in the shaft and letels
had only been eoaploted. Only n tstsall quantity of ore had boon