Spearfish Claim Gp

ProspectSurfaceUSGS MRDS

Location

StateSouth Dakota
CountyLawrence
Coordinates44.37716, -104.04028

Commodities

TertiaryTin, Niobium (Columbium)

Mine Details

StatusProspect
TypeSurface
Discovery Year1934
Data SourceUSGS MRDS
Source ID10129052