MINEBK00683

• County: Gilpin
• Volume: 12
• Document: Inspectr
• Suffix: A

Coeur D' Alone - 4.
• - S% P L O S I Y E S.
strike Rapona Gelatine, 40~; German Iasoloid fuse and b-% cape
aro used. Aoodon tamping bars are provided for the use of the
4'~': employes. Ho explosives in excess of one day's supply are stored
ire underground.
ter The avorago amount oY explosives kept in storage ie 300".
r• This is storod in a Frame, iron-aovored. magazine 75' south oP
the shaft house. Nothing else is storod with the povrdor. Oils
r, and candles are stored in the shaft house.
The devioe Yor thawing powder is a ahdet iron tank heated
wd
bq hot water.
• M I ~ I N G & M I N E M E T H O D S.
Tho main shaft is 62b' in depth and timbered to a depth
r
of 60' with egnaro sots. Below thin point etnlle are need'. At
"a dopth of 200' a drift has been run west 12b' tshore it oonneota
with a ahaYt whioh is 400' deep. Some etoping has been done in
ar this lovel. On the east aide of tho shaft and 340' deep a level
has beon run 240'. Ho atoping has boon done in this level. At e
e depth of 400' a level has been run zest b80' vlhore aonaidorable
ld atoping has beon dono. At a depth oY 600' ono lovel is being
driven and at the timo of this inapootion•wae in 40'. Ho other work
is is being done exoept oinking tho shaft.
i- Tho main shaft is divided into two oompartmontei onej 4'
x 4', used for a bnoket-way; the other. 3' z 4', used Yor a lndder-
way. 1'he laddor-way oontains air pipos Yor running the machine
drills and is equlppod with assure and aooeeelble iaddore and
ie kept in good repalY. Tho loadings are from 20' to 40' apart'.
Thore ie ono man-way ooanooting tho 340-ft.and tho 400-ft. lovsle
that is kept in good rdpalr and ognlpped with ladders.
An addltional exit is prorldod through the shaft 12b'
west of gala ehnSt. The •200-1t. drift oonneote xith this shaft
and as upraise has boon made from tho 400-ft. lovel to the 200-
Zt. level. Sh1e is proporly ognipped, kept in•good repair nad 1e
eaelly e.oeoaeible to the ecployea.
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