Mathieson and Hegeler Mine

Past ProducerFire Clay (Refractory)UndergroundUSGS MRDS

Location

StateMissouri
CountySt. Louis (City)
Coordinates38.61785, -90.30760

Commodities

PrimaryFire Clay (Refractory)

Mine Details

StatusPast Producer
TypeUnderground
Data SourceUSGS MRDS
Source ID10172075

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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