Big Seven Mine

Past ProducerSilver, GoldUSGS MRDS

Location

StateMontana
CountyCascade
Coordinates46.94908, -110.70556

Commodities

PrimarySilver, Gold
SecondaryCopper, Lead
TertiaryMolybdenum, Zinc

Mine Details

StatusPast Producer
Deposit TypePolymetallic veins
Discovery Year1892
Data SourceUSGS MRDS
Source ID10071381

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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