Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Pittsburgh Region Pa. Maps.)


 
 
 
Select Item Title Year Published
Greater Pittsburgh region maps of mined-out areas and thickness of rock over the Pittsburgh coal / 1975
Greater Pittsburgh region: Oil and gas fields map / 1975
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 1975
Map showing depths to the Pittsburgh coal bed, mining activity, and related surface subsidence, Allegheny, Washington, and Westmoreland counties, Pennsylvania 1975
Map showing depths to the Upper Freeport coal bed, mining activity, and related surface subsidence, and the Redstone coal bed mines, Allegheny, Washington, and Westmoreland counties, Pennsylvania 1975

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