Search Results for the EPA National Library Catalog

Items Found: 8

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


Select Item Title Year Published
Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania, 1936
Geology and mineral resources of the Blandburg, Tipton, Altoona, and Bellwood quadrangles, Blair, Cambria, Clearfield, and Centre Counties, Pennsylvania / 1989
Geology and mineral resources of the Ramey and Houtzdale quadrangles, Clearfield and Centre counties, Pennsylvania 1977
Geology of a portion of the Allensville quadrangle, Centre and Huntingdon Counties, Pennsylvania / 1969
Map of the Mercer clay and adjacent units in Clearfield, Centre, and Clinton Counties, Pennsylvania 1964
Stratigraphy of Lower Ordovician Nittany dolomite in central Pennsylvania / 1966
Stratigraphy of the Lower Ordovician Axemann Limestone of central Pennsylvania / 1967
Summary groundwater resources of Centre County, Pennsylvania / 1980

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