Montana · Sweet Grass County
Prospect
Knapp Mine
Sweet Grass County, Montana, United States
Iron
Copper
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USGS source ↗
Commodities
Tertiary
Iron, Copper
Commodity type
M
Materials
Other materials
Chalcopyrite, Magnetite
Economic & production
Development status
Prospect
Identification
Deposit ID
10221624
Region
NA
Data score
D
Coordinates
45.61072, -109.9308
References
SWEETGRASS COUNTY COURTHOUSE RECORDSSPOKANE FILES OF USBM FILE NUMBER34.41