Hugo Mine

AbandonedConstruction Sand and GravelSurfaceMSHA

Location

StateSouth Dakota
CountyPennington
Nearest TownKeystone
Coordinates43.88611, -103.42139

Commodities

PrimaryConstruction Sand and Gravel
SecondaryCrushed, Broken Stone NEC

Mine Details

StatusAbandoned
TypeSurface
OperatorDallas Alexander Construction
Data SourceMSHA
Source ID3901629

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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