Mineral Resource Map
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Mine detail: Dewey Tunnels
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North America
United States
Montana
Jefferson
Previously called ''
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Location
Lat / long:
46.3716, -112.16088
Resource(M)
Primary:
Manganese
Tertiary:
Lead, Silver
Production
Operation type:
Underground
Development status:
Past Producer
Geology
References
MAS
300430250
DEP
10294448
Reference
USGS PP 428 1963, P. 75, & PLATE # 1, LOCATION # 55
Reporter
Western Field Operations Center (WFOC)