Search Results for the EPA National Library Catalog

Items Found: 6

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Your Search: (SUBJECT=Geology Pennsylvania Allegheny County.)

 
 
 

Select Item Title Year Published
Geology of the Pittsburgh area / 1970
Greater Pittsburgh region construction aggregates / 1974
Greater Pittsburgh region properties and uses of clays and shales / 1976
Ground-water resources of valley-fill deposits of Allegheny County, Pennsylvania, 1949
Map of rock types in bedrock of Allegheny County, Pennsylvania 1975
Oil fields of the Greater Pittsburgh region / 1976

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