Montana · Granite County
Unknown
Salt Hill Tunnel
Granite County, Montana, United States
Silver
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USGS source ↗
Commodities
Primary
Silver
Commodity type
M
Economic & production
Development status
Unknown
Identification
Deposit ID
10245913
Alternate names
Three Metals Tunnel
Region
NA
Data score
D
Coordinates
46.33239, -113.24232
References
USGS PP 78, 1913 P.208 PL.2