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Google Analytics Dashboard for Map showing areas that correlate with subsidence events due to underground mining of the Pittsburgh and Upper Freeport coal beds, Allegheny, Washington, and Westmoreland counties, Pennsylvania

Map showing areas that correlate with subsidence events due to underground mining of the Pittsburgh and Upper Freeport coal beds, Allegheny, Washington, and Westmoreland counties, Pennsylvania

URI: https://pubs.usgs.gov/publication/mf693C

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