Spread #6

AbandonedCrushed, Broken Limestone NECSurfaceMSHA

Location

StateIllinois
CountyStephenson
Nearest TownFreeport
Coordinates42.27667, -89.56778

Commodities

PrimaryCrushed, Broken Limestone NEC

Mine Details

StatusAbandoned
TypeSurface
OperatorConmat Inc., dba Helm Materials
Data SourceMSHA
Source ID1103229

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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