MINEBK00847

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

(2)
Ore treatment.
3ts~
ores produced are of a smelting character-Mine has no mill
or reduction works.
Explosives.
5 and 110 per Dent Hercules powder is used in blasting,wlth Oer-
Inaoloid and Baer fuse-NO metal tamping bare allowed-~7ooden
bare being provided-Powder man is employed-Explosives
are stored in magazine provided for that purpose whiah is built
300 feet from workings-Average amount kept in storage:-500 lbs.
Charac+.er oP magazine:-Iron. Mine has device for thar;ing powder,
eonaiating oP exhaust's+,eam-No oils or combustible stored with
powder.
Mining.
There are five working ahaf+.a on thin property ae follown:-The
Monarch shaft 850 feet in depth the Cleveland shaft 731 feet,the
Raty shaft 500 feet,the Winnie »haft 365 feet,and the Lida shaft
350 feet,the levels ,drifts,winzea,and upraises will total 35.000
'feet of workinga:Ylork is carried on at the present time through
i
the Cleveland and Ainnie shafts principally.
Holnting.
Method employed by steam and electricity by whiah men are rained
'sand lowered-~7eight oP load hoisted-3000 1ba.Dintanee hointed-700
feet-rendition oP cable-Goodin use two years.Ccble attached to
Ito cage by olevis and clamps-Cage equipped with bonnet and safety
Iclutohea,r/hich t~Te examined and tented monthly.Matorirl in hoia-
'ted Prom seheral levelo-Cagers are employed-Ball Linea are of
',I~4 inch steel-Mining Bureau node of nignaln employed,whioh are
ipoated in engine roorna,collar of shafts, and levels-Notice posted
(prohibiting men fry riding on loaded oagos,aiso ntating number
Hof men permitted to ride-Lever ohairn are used under cages.
~Gufdea are of Oregon pine ~ X 5 inahan-Stations ai~e provided on
~aii Eevela_with`guard•rails;also winzea and mill holes-Shaft is
knot being sunk.
Mine methods.
Method of ore extraction is by over hand stoping,maohlne drills
are employed of Ingersoll, and Kartaoogg type-Single hand drilling
II
is also used.