MINEBK01039

• County: San Miguel
• Volume: 15
• Document: Inspectr
• Suffix: A

"/25
asor
1!u:
Cimerron Leasing and liining•Co,-4,
S11iING AND L' INL td);THO DS. ~~

host of the ^tor}; t`.:at is being rlono at this time 3.s
caried on in the three uoner levels knovm as•Plos, I, 2,&'3, ~I

on the Cimerron vein, all of the above named levels are :i.
i'
c onnectod with the Memphis which crosses the Cimerron
•
i
at right angles, Th=_ method of ore extraction is overhand ~"
stoping and driftinC vrith air and drills. Ingersoll hammer .I
and piston drills are usod, The method of timbering is
I
stuns and square seta coverd with lagging and is sufficient II
to secure safety, Ehe timbers are pine and spruce prepared ~,I

by hand. Sloping is caried on with filled slopes, !i

~'~
~?'
Underground tramrnint, i.a lone by Liulos and hand, ono }
l
~~
ton steel cars aro being usod for this purpose, Chutes w
,
'
are loaded by band and gravity, Tho system of ventilation '
~
~'

is mostly naturalr sometimes assisted by a fanfSN an uP- ,
',,
raise, Tho system of drainage is natural vritlt ditc}t ono
side of track. F,loctricity and oandlas aro udod for
lighting underground. Ladders in all manways have platforms
every 20 foot, and are in good condi4lon for employes
nt all times,
'rho mina has five exits,
rrU ~ 6TAT I3T I C6,
Tots] ntunbvr of foot 7.n drifts I0000 at~kI0,00 per foot, ~;1'I'i;~:
~~ ~~ " ° " orosnoutn GGO " 16,00 " " ~I ~I~
ail
u• u n n u upraioos I000 ° 9.00 u n ~'..
A{ °i I
„ n ~~ " " devolopomont IIrGGO I~i'h
~i ~ ,
Cost of ooal $U, GO Par ton. ii,
" " timbor~p7G,00 per month. ~ ~,~
" " steel ;pG.00 per month. ~ III
I ~,
'~ "powder I6¢per Pound. ~ ~~
Tonnage per month ?.200; li
Average asnay value porton ~IO,OU i~ !,
~ ,
Coat per Lon of mining X3.00
n ~~ " ° mi1.11ng I,26
" oY trannpor•ting ore to mill IJO~
r......-