Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Subsidences Earth movements Pennsylvania Allegheny County)


 
 
 
Select Item Title Year Published
Environmental geology, Allegheny County and vicinity, Pennsylvania : description of a program and its results / 1977
Map of zones where land use can be affected by landsliding, flooding, and undermining, Allegheny County, Pennsylvania / 1975

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