MINEBK00628

• County: Montrose
• Volume: 14
• Document: Inspectr
• Suffix: A

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The metals are urpnium and Rahidlum. 4~~
The ahYpping assay value ruria from 3100 to 10~i00.
' SURF A CE PL AN T_
The 'surface plant consists oP one boarding house to
accommodate 50 m8n, office, smith shop, stables and' ore
bins. Surface transportation is done by wagon and pack train.
Ore has to be hauled to Placerville for shipment. There is
no reduction works on the propert~~. '
E X P L O S I V E S.
Itu Pont 40;~ powder„ imported Insoloid Z. L. fuse, 5-z
cars and wooden tamping bars are used. There is no need
of a powder .monkey. E'tploeive in excess of one days supply
are stored in a dug-eut for that purpose only and a
safe distance frOmsll buildings. Tho a~~erage amount of
explosives kept in storage is about 300 lbs. P?o device for
~I
t•ha~^ing powder is needed. ~
M I N I N G A N P M I 'N E 6' E T ?i 0 G S.
!,
Pork ie carried on at present in aet~erai different tunnels. ;!!
These tunnels are B11 on~the sa~ae level. This Ls where the
greatest amount of work is carr'es on. The nethod of tirr-
baring Se square sets, pillory and Posts.
The timbers are Plne and spruce, Prepared b;• bar
sufficient to secure safety. Underground tra~~ir
~~one by Band and mule. A1.. undergrovnfl work is b
Thesystem of ventilation is natural. Candles are
Por lighting underE;i'ovnct.
S T A T I S T I C S_
,rose tonnage for this year ?.50. no: .shine3.
Total number oP Peet in TunnelR 600. CoFt per fc
Total number of feet in drifts 750. Coat er foc
Total pusher of feet in deveiopement I350. .
Average assay value of ore per t on $125.00.
Cost per ton mining of ore $75.00
Cost per ton transporting or $35.00.
!!FN EbfPL ~ YE P.
z0 miners $3.00 for 9 hours
4 ore asaorters 3.00 •