Grant, U.s. Mine

OccurrenceIronUndergroundUSGS MRDS

Location

StateMichigan
CountyMarquette
Coordinates46.50361, -87.58169

Commodities

PrimaryIron

Mine Details

StatusOccurrence
TypeUnderground
Deposit TypeBedded, Chemical Sediment
First Production1891
Last Production1892
Data SourceUSGS MRDS
Source ID10310187

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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