Keystone, SD Copper Mines

Copper Mines in Keystone, South Dakota

Mine Owner Land Status Work Type Minerals
Blue Lead Mine MS 1483 Private Copper
Calumet Mine MS 1497 Private Copper
Continental Copper Company Mine Private Copper
Dakota Calumet Group Fred L. Long (Estate) National Forest Surface/Underground Copper
Dakota Calumet Mine MS 1497 Private Copper
Maloney Blue Lead Mine National Forest Surface/Underground Copper
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