Monroe Rock

AbandonedCrushed, Broken TraprockSurfaceMSHA

Location

StateWashington
CountySnohomish
Nearest TownMonroe
Coordinates47.84750, -122.02583

Commodities

PrimaryCrushed, Broken Traprock

Mine Details

StatusAbandoned
TypeSurface
OperatorAAA Monroe Rock Corp
Data SourceMSHA
Source ID4500557

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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