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Mine detail: Columbia & Spencer Mines
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North America
United States
Colorado
Boulder
Previously called ''
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Location
Lat / long:
39.9786, -105.58642
Resource(M)
Primary:
Silver
Ore:
Silver
Production
Operation type:
Unknown
Deposit type:
Vein
Production size:
Yes
Development status:
Producer
Geology
References
MRDS
DC03300
DEP
10108223
Reference
{Deposit:: MOORE AND OTHERS, 1957, USGS BULL 1030-N, PG. 544.}{Deposit:: CONSV. DIV. COMP. DATE, 10,62}
Reporter
Conservation Division Files, Melton, Greg