Copper Cliff District

Past ProducerCopperUSGS MRDS

Location

StateMontana
CountyMissoula
Coordinates46.80489, -113.45923

Commodities

PrimaryCopper
SecondaryGold, Silver
TertiaryArsenic, Antimony

Mine Details

StatusPast Producer
Deposit TypeFISSURE VEINS, SHEAR ZONE
Discovery Year1891
Data SourceUSGS MRDS
Source ID60000338

What This Means

This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.

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