Maas Mine

Past ProducerIronUndergroundUSGS MRDS

Location

StateMichigan
CountyMarquette
Coordinates46.50940, -87.59812

Commodities

TertiaryIron

Mine Details

StatusPast Producer
TypeUnderground
First Production1907
Discovery Year1901
Data SourceUSGS MRDS
Source ID10170641

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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