Colorado · San Miguel County
Past Producer
Butterfly Mill
San Miguel 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
10167672
Region
NA
Data score
D
Coordinates
37.8647, -107.88234
References
REF: COLO BOM ANNUAL REPORT 1919OWN-OPER: MATTERHORN MINING & MILLING CO 1919