7/11 Materials Inc-Robie Ranch

AbandonedConstruction Sand and GravelSurfaceMSHA

Location

StateCalifornia
CountyCalaveras
Nearest TownValley Springs
Coordinates38.07667, -120.85500

Commodities

PrimaryConstruction Sand and Gravel

Mine Details

StatusAbandoned
TypeSurface
Operator7/11 Materials Inc
Data SourceMSHA
Source ID0404243

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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