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Mine detail: Sierra Mine
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North America
United States
Montana
Granite
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Location
Lat / long:
46.82739, -113.33453
Resource(M)
Primary:
Gold
Tertiary:
Copper, Silver
Production
Operation type:
Underground
Development status:
Past Producer
Geology
References
MAS
300390433
DEP
10196938
Reference
USGS BULL660 P187
Reporter
Western Field Operations Center (WFOC)