MINEBK00838

• County: Gilpin
• Volume: 15
• Document: Inspectr
• Suffix: B

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Jeiferaon-Calhoiul - 5. .. _ ..,,'::.[.,';-:;os•>-.:°_;:e.
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.. . - SURFACE P]SiAftT- Contin.
Tha trackp of the Gilpin Tramway; ere. AStlu+te~:abOlit onp- II
quarter oY• a rile d4.stant' 4rop the mine; c+ad, oaf be :utilized:aY j
.desired. - _ •:(
-.. Electricity is 'used.Yor.lighting•on tho;aurPaoe:i;~;,.~:,
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E%P.L OS IoE S~. I
DaliYornia:Giant~-:40n~•Germnn SnsololdxYuas:;,5-%'aaps
and wooden tamping bars arp'.employed..Exploeivee,.in.exoese!.,oY 'I
one day's supply nro.not stored underground..
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The .average amount o3:explosivea kept in;atoraga;as;l',000
pounds. Thie.is stored in a Yrame;;iron-o8vered:magazine;ei:t-
oats 100' north of tho Calhoun shalt honee.and ie_.used,3or..the!
storage of ponder only. r_ ........ , . _
Oils; aanaleA.and other Anppiies,are ksptrin;the shalt
houso. Gasoli}~e is-stored in. e. small::bu11d1ag altunte,lO.U'•:.
southwest o3 the bhnYt house, _. '; ~
8o devioe ie provided for thawing. powder ne.the„powder I!
iv eoit-and dose not require: thawing::~ .r.?:~.:;:;~ ..._
MINING & $IIdE METHODS;.,. ~
.... ~ ,. :! ..,.fir;. ~
There are five ehaite ewsk..on thin property.:,Th~+.Ro~s
shaft le. about .400' in depth. The Ylest, Oalhowl shaft: 1e; b06.' i
in depth: The: Kemp ahn2t.ie:426' Sn depth. A11 three hav~,tieen!
. abandoned and' no.'deaaription" onn be: given' oP. she, iuid~rground
workings exoept that the Yleet Calhoun shaft hao.1;423' of ~L: ~
drittq and th• Kemp phatt }use 990' 02 drifts. _. I
The mainepening Se.ahe Snot.Oalhoun ehatt:whioh~•.isn980'~'!
in depth'; oribbsd~.with'.two-inoh;plank for a distnnoe oP 40'
from the euriao• and the bnlanoe of the shaft timbnrsd w}th:~.
etulle;baoksd wlth.lagging.•There,era 4, 640',of:: hvele.drlven
Yrom this ehattt:The 60U=tt: aeval~.whioh in;'being.driven,west
will b• oextiaued:90' further when, an upraisarwill;be,made:to
oenneot with the Jei~ereon,ehait attar which all work will•bs