Colorado · Boulder County
Past Producer
Gillaspie and Big John
Boulder County, Colorado, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10190043
Region
NA
Data score
D
Coordinates
40.06389, -105.38389
References
COLO BOM 1934 LIST