Montana · Granite County
Prospect
Porcupine
Granite County, Montana, United States
Tungsten
Silver
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USGS source ↗
Commodities
Primary
Tungsten
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10220896
Region
NA
Data score
D
Coordinates
46.22679, -113.13531
References
USBM RI 5612, 1960 P.45