MINEBK00984

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

T
.- T:
_.: ..-
ehatt,thie shaft lays east of the lelioia Oraoe,Robineon mines.
and other abandoned workin8s,maps and drawings of the mine are
kept in the offioe of the oompariy.
• Routing.
Yethsd employed ie by cage,raieed and lowered by maohineo`y,the
average weight of load hoisted on oage is 2200 ibs,exolueive
of weight of oage,dlstanoe hoisted I200 feet,oabie 1A one inch
in diameteor,.and in good oondition,has been tix.monthe in uee,
!oable ie attnohed to oago by thimble and olampa,oage ie equip-
ped with bozrtnt and safety clutohes,all hoisting is done 'from
one level,olutohes were examined inside of thirty~days,bell
line is of steel wire rope.
Yining Bureau •ignala are employed and are •tntioned both above
and below,aleo in engine room,and oollar of shaft.
Pereon• are prohibited from riding on loaded oege,and notioee
are posted to this efteot,ohairs used are the lever ohaire in
oaamaon use guides in shaft are of Oregon pine and are in good
oondition.
No stoping is done around shaft at stations, all stations are
provided with guard raiis,ehaft le not being sunk.
Ora extraotion.
3lethod of ore extraotion is by atoping,dritting,'and oinking,
machine driila are emcployed consisting of ingersoii-Rand,Leynes
euliivan,nnd waugh.8ystem of timbering it by atulis,whioh la
sufficient, native timber used, prepared at mine,timber•in good
oondltion,loading ohutos are ordinary mine ohutes,tramming done
by men,with the ordinary mine ogre on I2 lb.rail.
Drainage.
/.verage amount of water 50 galions per minute,oayaoity of pump
ZIO gals.per minute, system employed electric.
Ventilation.
System employed natural,suttiolent~no noxious gases met with.
Thsre is no old timber to be semoved,shatt i• divided into two
eompastaents,and is provided with ladder way there are no iand-
ings twenty feet apart,iaddsrs are straight fastened to orib-
bins of shttt,laddsr way contains water column.
llin• has fro exits tar sen,oas thsoujh gain shaft,also trap the