Callahan Stone Co.

AbandonedConstruction Sand and GravelSurfaceMSHA

Location

StateNew Hampshire
CountySullivan
Nearest TownUnity
Coordinates43.26861, -72.30639

Commodities

PrimaryConstruction Sand and Gravel

Mine Details

StatusAbandoned
TypeSurface
OperatorCallahan Stone Co.
Data SourceMSHA
Source ID2700460

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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