MINEBK00208

• County: Lake
• Volume: 15
• Document: Inspectr
• Suffix: A

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Explosives.
Gelatin powder 40 per oent is used in blasting with Oerman In- II
soloid fuse-NO metal tamping bars allowed in mine-Wooden tetttp-
ling bars Provided.tio powder man employed-Exploaives are stored
Alin magazine,150 feet from workings-Amount kept in atorage,200 I~
li lba-Oharaoter of magazine-Wood oovered with sheet iron-Nine
her; devise for warming powder,oonsisting of metal with warm
water-NO oile,or oombustibles stored with Podwer.
' Hining.
The mein opening to the mine is a shaft 419 feet in depth with
three levele,the first level 261 feet from oollar,2nd,level is
362 feet ,and the 3rd,level 400 feet,the shaft is oonneoted at
2nd level with Penn shaft No.3.
Hoisting.
Method employed by eleatrlaltY--lien are raised and Sowered by
maohinery-Weight of load hoisted-I000 ibs.Diatanoe hoisted 400
feet-Dab le of 7~~ inoh steel in use two Yeara,oondition good-
faotened to buoket by olempe and oleviae-Bell line of 3~g inoh
manilla rope-kining Bureau oode in uee-Posted in engine room,
oollar of shaft and levels-Shaft not being sunk.
Uine methods.
No ore being extraotad-No maohine drills used-Single hand dril
ling employed-Timbering with drift setts-Underground tramming
~xlth mon,Uy•oar and buoKet,on I2 ib.to Yard rail-No wator han-
dled-ventilation,natural draft-suffioient-No noxious gases.
Exits.
Shaft is divided into two oomP~'tmente with ladder way in safe
oonditioh-NO steam or air pipes in ladder way-Mine has exit by
oonneotion with Penn No3.shaft-bighting underground-Dandles.
9tatietioe.
Ho produotion. I;'
Hoof foot in ehafte;-SE19.Oost Per foot:-IItl.00. I~,'
" -17.00. ;I
n n " n n "
levels:-tS00. a'
Total No.of feat in developemont:-I219. ,'
uen employed. '`
3• er day. K hour ehlft.
~4111nara• 1 00. p
rr ~; .. "
14.00.
~~ I Engineor.
' Avexage No.of men employed for the year:-5. 'I