MINEBK00531

• County: Gilpin
• Volume: 11
• Document: Inspectr
• Suffix: A

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aurora - 5.
~a `, M I 1d I B G & Td I Ji E ~ E T H O D S- Contin. ^
`~.~~
Steam is employed Yor hoistiz~. The men are lowered and
~, raised with the hoisting machinery. 6 v,eight oY 1,000 is

~' hoisted at one time >'or a distance o S 310' with a 3%4 in.,
~~.
t5 0

steel wire cable, in Yair condition,

tihat has been in use Yor

~~^;;~ three years. Sa3ety hoot. and chain, Yastened on cable with
`a'~ socket and babbitt metal, is used. 'rhe saYety hook has bean in
,,~
.
use three weeks.
! ,5'
~.~j Pull bells, with a "1/4 in. vrSro bell lino in good Bondi-.~.
~
,~,i tion, is the signal system employed, The State code of signals
~ 4`=) j~`~ is used. Signr,.ls are net posted at any point but w111 be soon.
E
1~~,; `rhe sY.id-way is 4" x 4" timbers, Yastened on a bedway oP ',
~ G' pian:r..
r' 'Phe shaYt is not provided with a bulkhead over tho ehaYt
d
men nor wlth a chain laddor~ but th18~.wi17. bo done ae soon as
J practicable.
k'~'
~
s~
I 1'he mothod or or.o extraction is by moans oY driYting end
E{'I ; l
'
'
overhand• etoping by sizz~lo hand drilling, Afo maohlno drills are
f

f used'.
l~;~- 7'he method or timbcrin~ is : tu].ls covered vrith laLNing.
~~ _ 7'ho timbers are z~::,dcs ox pint, and spruoo, preparod by hand, in
~~`~
1,_ i,ood condition, and aro ouYi'ioiwnt to ~ieourv saYoty.
Undorgrvund traauni.n~ in Bono by hand.•Wood tro111oe Nith
steel bueY.vte are ur;od vn a traaY.aCo or lfi" ,~uab~o snd d~ T
rail, e.
A Cruneron, No. G, and a If. B. station purop are usod. Thu
rsvarago amount oY vrc:trir pumped ir3 '!,0 gallons per minute i'or
evory four hours out oY 7.4. The maxUnutA uapaoity oz tho ~uznpa
18 7~'I.OU gallons avury •rd hours'.
1'he ventllutiori iir natural wnd suzzivient. rio noxious gau-
ad arc met with.
A11 old tlab.rs hr<.v~; bnrn rvr~ovud Yzom undorground and the
efzaitary oonditivno are good.
Thera 1w rsn oyvnin~; t'rom the .70u'-lovol to the 176-lavgl