Keystone Lode

ProspectMicaSurfaceUSGS MRDS

Location

StateSouth Dakota
CountyCuster
Coordinates43.74276, -103.70367

Commodities

PrimaryMica
TertiaryBeryllium

Mine Details

StatusProspect
TypeSurface
Data SourceUSGS MRDS
Source ID10202007

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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