MINEBK00847

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

f2) 359
dge of engineer:.-4~2 yeas-Years of experianae:-25.Not addioted
to uae of iiquora.
Head frame.
$eadframe is 32 Peet high made oP IO X IO inoh timber size of
sheave wheel 30 inehea,collar oP shaft has doors to prevent any
dirt from falling into shaft.
Building is at mouth of tunnel,fire protection by hone and
water pressure-Ore bins-Water supply:-Iron mine flume.
Lighting by electricity.
Transpor+,ation.
Railroad and wagon road.Ore treatment:-Smelting.
ExPloaivea.
Gelatine powder ~0 per cent is used in blasting,holea are fired
by electricity.
i Wo metal tamping bars in mine-wooden barn provided-NO powder
man employed-Explosives stored in magazine situated 200 Peet
from workings-Amount of explosivoa kept in storage:-400 lbs.
Charaoter of ::.agazine:-Wood covered with iron-NO oils,or cand-
lea stored with powder.
}.fining.
The main opening to this mine is a tunnel drove into Bruce Hill
114-00 Peet in length,400 feet Prom the portal is an interior
,shaft sunk to the depth of 340 feet whioh is now abandoned,and a
new shaft auriK 1E.I~2 Peet by 9 feet,at a diatanoe of Ii50 Poet
'.from the portal,thia shaft is now 190 feet in depth,and is still
beinP, sunk.
Hoisting.
I!ethod employed:-Eleotriaity-lien +~re raised and lowored by maeh-
finery-Height of load hoisted:-I000 1ba.Dlstance hoisted:-190 ft.
Charaoter of cab le:-7~8 inch steel in use y0 days-Safety hook
attaches rope to bucket in uae 90 days-Hell line 5~g manil~.a
rope-idining Bureau Dodo employed,whioh is posted before ongineer
'Tunnel has fire door I00 Peet from Portal.
}dine methods.
No ore being extreated at present-Machine drills are used-Waugh.
driven by IO driii air compressor.
.Timbering in shaft by setts-Native timber prepared at saw mills.
!Underground tramming by men,with ordlnarY mine aara oni8 lb.rail.