Barnard Quarry

AbandonedDimension Stone NECSurfaceMSHA

Location

StateColorado
CountyBoulder
Nearest TownLyons
Coordinates40.23983, -105.26878

Commodities

PrimaryDimension Stone NEC

Mine Details

StatusAbandoned
TypeSurface
OperatorO and A Stone
Data SourceMSHA
Source ID0504601

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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