Search Results for the EPA National Library Catalog

Items Found: 7
Showing: Items 1 - 7
Your Search: (SUBJECT=Geology Pennsylvania Butler County)

Select Item Title Year Published
Geology and hydrology of the Mercer quadrangle, Mercer, Lawrence and Butler Counties, Pennsylvania / 1963
Greater Pittsburgh region construction aggregates / 1974
Greater Pittsburgh region properties and uses of clays and shales / 1976
Oil and gas developments in Pennsylvania in 1971 / 1972
Oil fields of the Greater Pittsburgh region / 1976
Some geological factors affecting the Upper Freeport coal and its quality / 1961
Summary, ground-water resources of Butler County, Pennsylvania / 1973

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