Montana · Lewis and Clark County
Unknown
Mass Mine
Lewis and Clark County, Montana, United States
Silver
Lead
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USGS source ↗
Commodities
Primary
Silver
Tertiary
Lead
Commodity type
M
Economic & production
Development status
Unknown
Identification
Deposit ID
10183990
Region
NA
Data score
D
Coordinates
46.6871, -112.12338
References
MBM G MEM 20, 1940 P.53SEVEN MILE DISTRICT, 7 MI. NW OF HELENA & 2 MI. NE OF BIRDSE