MINEBK00847

• County: Lake
• Volume: 14
• Document: Inspectr
• Suffix: A

(2}
ighting by electrioity.
4U6
Surfaoe transportation:-D,r.R.O.rai1 road,al»o wagon road.
Ors treatment method employed:-Smelting-}.fine has mill but not
in operation.
Explosives.
powder 35 per cent is u»ed in blasting, with Bsar brand
fuse-No metal tamping bare allowed,aooden tamping bars being
provided-No powder :nan employed-Explosive» are stored in :na3a-
zine 300 feat from workings-Avexage amount kept in storage I000
lbs-3iine is provided with device for warming powder:-Electric.
to candles or oils stored with powder.
Mining.
The main working shaft of this combination of properties is the
" 7o1P Tone,"a three compartment shaft I000 feat in dept h, and
is connected with all the adjoining mines in its vicinity.
Hoisting.
thod employed maohinary driven by »taam,which rairie» and lo~va
of load hoisted-3000 1bn.Distance hoisted-720 Peat.
inch steel cable in use one year fa»teneri to saga by cla.~aps
thimble which has begin changed during the last six months.
equipped with safety cl~itchen,and bonnet-l.faterial is hoi»t
more than one level-Gager 1» employed-Bell line of 3,~5 in.
rope-}.fining Bureau code in uae,whioh nra p0»ted in engine
om,nhaft hoxae and levela,aleo order in regard to ^~en riding
n cages-Ohaira used for cages-Snring.GUidea of 4 inch Oregon
ine- All stations provided wi*.h guard rail».Shaft is not Uairg
Y.ine method».
o mnohine drills employed-Hand drilling both »in~;le and double
imbering:-Cribbing,aetta,and etulle-SUfflcient.Ordinary mind
as used in mine-Tram:.ing by men with Colorado dump oars on
2 lb,to the yard rail.
Drainage.
dealt with in ga1:~.Per minute:-K50.SystaS a~^.ployad:-
lea triple expansion p~u«:%s-Oapacity:-I000 Oa1s.Ventllntion-
Natural draft-eufrloient-No noxio+ae gases me+. with-Shaft is
ivide into three compartmtlnr,a with ladder ~.ray» in goon oondi-
ion, and oontaina »teaa and water oolu~an»-oood exits for men.