Moffet-Johnson Mine

AbandonedCopper Ore NECUndergroundMSHA

Location

StateMontana
CountyMadison
Nearest TownTwin Bridges
Coordinates46.01093, -112.51313

Commodities

PrimaryCopper Ore NEC
SecondaryIron Ore

Mine Details

StatusAbandoned
TypeUnderground
OperatorBig Timber Reclamation Inc
Data SourceMSHA
Source ID2402441

What This Means

This mine is listed as abandoned or sealed in federal records. Abandoned mines can pose safety and environmental risks, including unstable ground, toxic gas accumulation, flooded shafts, and potential groundwater contamination from heavy metals or acid mine drainage. Never enter an abandoned mine. If you live near this site, consider checking with your state environmental agency about any ongoing remediation or monitoring programs.

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