Colorado · Boulder County
Past Producer
Keystone
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
10141306
MRDS ID
DC03912
Region
NA
Data score
D
Coordinates
39.98919, -105.36729
References
REF. USGS PROF PAPER # 223 P 229 & PLATE 22.