MINEBK00572

• County: Gilpin
• Volume: 9
• Document: Inspectr
• Suffix: B

MINING AND MINE METHODS.
lain shaft 1000foet doep
}70 . 3 n 400 ~~ n
Pio. 1 n ECO n n
tlowhouse raiso 300 feet deop.
Tho naturo and extent of the'ot}:or wor}:inks consist in
tho neighbor: ood of 15,000 foot of lovols . Tkie v;ork is
at proscnt carried on in tho 600 foot lsvol and stops.
Also in tho stops Eton tho2lor,Y.cuso tunnol level.
The raothod of iioieting o~:ployed is a oago carrying a
load of 2,Bp0 lta.
Loyncr and laugh uachine drills and singlo hand drilling
aro ecployed in tho brow}:irg of ore .
L'ndorgrourd trar.,ning ayator, by r.,ules and 'nand.
Cars oanacity 3i 1/2 au.ft.
The ayatop of vonti3aticn is by ccnnectod orenings,
and aufficiort whon groat taro is used in tho levolo
fro.:. tho cair. o}:aft . :lcxioua gaaoa fort.; fror.: the minerals,
Tho gain shaft is provided vrith laddor way frog: t..*.e 1,000
ft. lovolto tho 300 ft. level. Thcnoo by drift to abaft
}io. 3, which is squippod with laddors to tP.o aurfaco.
CnrLido larpa and candlos aro used fcr underground li~ht-
ir.~ .
~i~
i
%~