MINEBK01099

• County: Gunnison
• Volume: 16
• Document: Inspectr
• Suffix: A

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s;~ Blistered IIorn - 3
SUi;;:'d C E PhdI1T- Contin.

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machine shop, offices, boarding house and stable. and ore bins.
Tv+o 80 H P boilers, one 4 H P engine, one 30 H P, one 12 H P,
one 150 ri P and one compressed air engine, 80 H. P.
E X P Z O S I V E S
~~
! Giant powder serr*Ie.n Inaolicl fuse and wooden tamping bars are
used. E:n-,losives in excess of one day's sun?ply are not stored
;il
EI underground. The average amount of elplosives kept in storage
~~ •
~i is 150 lbs. This is I:ept in a frame building, situated about
3Cv feet from other buildings and vror}angs. The device for
i
~ thati:•in; powder is a double hot vrater boiler.
i,il I :+ I 11 G & _: I I~I E 11 E T ii 0 I) S.
!I The main opening is a tunnel 2400 feet long, where vrork is
(,°,~ carried on at t;le present time. The method oi' ore extraction
i
is over hand stopin;; and drifting vrith hand drills. From
entrance to tminel the vein is at z: distance of 70 Poet. The
timbeEs are spruce seta, 4 feet apart, prepared by hand and
~4 are sufficient to secure s¢foty. Underground tr¢,arning is
~~, done by h¢nd. 6¢ra are used. Systela of ventilation is
:natural, a;:d is sufficient. I.:ethod of underground lighting
is by candles.

~~ a= ~~ T I S L I C S
~
~I ?otal number of Poet in shafts 50. Cost
Per foot X15.00

~!' Total nwnber of feet in tunnels 2400. Cost por foot y18.00
;i ';
~'
~
~ Total number of feet in drifts or levels 1000. Cost
por ft. yl2
'
1
i 1 '' Total nwnber of feet in .arinzes iI raises 400. Cost per ft. y2b
' ` °~
I y~ Total number of feet in development 5655
.
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'~' ~; dvera o assay
B / value ono por tor. about ~r3G.00
.
' t Coat per ton mining of ore V5.00
~ Coat per ton trananorting ore y2.00 to ~+G.00 i
Cost per ton

- treatment of ore ^y2.00 to r•
v5.00
_- - _, ~ -

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