Keystone

OccurrenceGold, Silver, CopperUSGS MRDS

Location

StateWashington
CountyYakima
Coordinates46.83482, -121.28868

Commodities

PrimaryGold, Silver, Copper
TertiaryTungsten, Lead

Mine Details

StatusOccurrence
Discovery Year1913
Data SourceUSGS MRDS
Source ID10048645

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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