Brieback Calcite Deposit

Past ProducerCalciumSurface-UndergroundUSGS MRDS

Location

StateMontana
CountyPark
Coordinates45.96661, -110.73863

Commodities

PrimaryCalcium

Mine Details

StatusPast Producer
TypeSurface-Underground
Data SourceUSGS MRDS
Source ID10221275

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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