Washington Mine

ProspectCopperUndergroundUSGS MRDS

Location

StateMichigan
CountyKeweenaw
Coordinates47.43694, -88.00086

Commodities

PrimaryCopper

Mine Details

StatusProspect
TypeUnderground
Deposit TypeFissure Copper Veins
First Production1854
Last Production1901
Data SourceUSGS MRDS
Source ID10310103

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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