MINEBK00982

• County: Boulder
• Volume: 7
• Document: Inspectr
• Suffix: A

r'
MINING AND MINE METHODS.
Tl!e m?:in,openiatg is ran incl i??e altaf+.,4'XB',two compartment ,bucket an_~+
ladder way,dippiatg to the N.Yl.nt an angle of SO°. Depth of abaft 600ft.
The first 200 ft.ia cribbed,tltence ayuarn Afta to 240 ft.,thence.
atull to 290 ft.,thence cribbed to bottom.
The shaft }tae lovely at Following deptha:-
60 -f t. running 80.3t (caved).
100 ft. ° ° ° west 20U ft.
~•150ft. ° ° 260 Pt. ° 200 ft.(caved.)
1at.4U ft.caved.
200 ft. ° ° 200 ft. ° 20U ft.(raved near breast)
gyp pt, !' ° 30G ft. ° 30U ft.Unen at work).
290 ft. ° ° 400 ft. ° 20U Ft.
440 Pt. ° ° 40U ft. ° 300 ft.
last l0U Pt.caved.
~, 600 ft. ° ° 26 Ft. " 1.'. ft. (under vtater}.
i
Vfork in carried on at the proaent time in the 24-0 ftnveet stops and
the 400 Pt.east stopo.
The ldonostgattela workingn are located about 30 Pt.te the south what
same being abandonod and fu ].1 of lYateT.
III, Rotating is done by bucket ¢ttac}red to 7~II° ateol rope in usa 9
I
mo~t}ta,elavis fasteningr~ot changed Winos rope was inntal].ed.
(Weight of load holnted 2000th. Dintance }wiated 440 ft.
Wire be17. lino attached to 10° gong extends to 24U.ft•.lovel,bnlow which
they tap pipe with Lanmier.
Co]orndo code of signal.o in in use,a copy of yams beimi Pnnted in
englno 3'¢nN alld ai; collar of ehaPt.
''~ Aucket is loadod in nhnft by moans of ntaol hopper which in t}u•own
over bucket.
The mathod of mining is that of ovethand etopfng,¢il drilling being
done by hand(ainKle)
i
q'he atull sat and crib nyatma ¢f timbering in en~ployed,uning reg.
aprace prepared Uy hand. Hn loading chuteo are angA Dyed.
Trus~n+img is done in 1 ton atael earn. '1'runlc 16° qu[tlte,l.2th rails.
Drainage is oPPectad by 2U0 gal.wator barrel and a G-9-G" Snevr pump
located on tkto 24U ft.level east.
Tl;e natu>•i~l ayst?rn cf ventiluticat in emPloYe~' --- _„i__..r