Search Results for the EPA National Library Catalog

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Geology of the Caledonia Park quadrangle area, South Mountain, Pennsylvania / 1968
Geology of the carbonate rocks in western Franklin County, Pennsylvania / 1970
Geology of the carbonate rocks of Path Valley, Franklin County, Pennsylvania / 1970
Geology of the Elk Run gas pool, Jefferson County, Pennsylvania / 1969
Geology of the Frenchtown quadrangle, New Jersey--Pennsylvania / 1961
Geology of the Hanover-York district, Pennsylvania / 1944
Geology of the Lower Kittanning coalbed and related mining and methane emission problems in Cambria County, Pa. 1979
Geology of the oil and gas fields of southwestern Pennsylvania / 1987
Geology of the Pittsburgh area / 1970
Geology of the Precambrian rocks and Hardyston formation of the Boyertown quadrangle. 1959
Geology of the Ransom quadrangle, Lackawanna, Luzerne and Wyoming Counties, Pennsylvania : description of the outcropping and subsurface strata of Devonian, Mississippian, and Pennsylvanian age and of the unconsolidated sediments of Quaternary age / 1966
Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania / 1967
Geology of the Washington quadrangle, Pennsylvania 1964
Geology, mineral resources, and environmental geology of the Palmyra Quadrangle, Lebanon and Dauphin Counties / 1970
Geology, mining, and methane content of the Freeport and Kittanning coalbeds in Indiana and surrounding counties, Pa. 1979
Glacial border deposits of late Wisconsinan age in northeastern Pennsylvania / 1980
Glacial geology of northwestern Pennsylvania, 1959
Greater Pittsburgh region : Structure contour map of Allegheny, Armstrong, Beaver, Butler, Washington, and Westmoreland counties / 1975
Greater Pittsburgh region construction aggregates / 1974
Greater Pittsburgh region geologic map / 1975
Greater Pittsburgh region geologic map / 1985
Greater Pittsburgh region maps of mined-out areas and thickness of rock over the Pittsburgh coal / 1975
Greater Pittsburgh region properties and uses of clays and shales / 1976
Greater Pittsburgh region, thickness of rocks over the Upper Freeport coal / 1976
Greater Pittsburgh region: Structure contour map : of Allegheny, Armstrong, Beaver, Butler, Washington, and Westmoreland Counties / 1985
Ground water in northeastern Pennsylvania / 1957
Ground water in northwestern Pennsylvania / 1936
Ground water resources of Bucks County, Pennsylvania / 1955
Ground water resources of the Lansdale area, Pennsylvania / 1955
Ground-water resources of Beaver County, Pennsylvania / 1951
Ground-water resources of central and southern York County, Pennsylvania / 1977
Ground-water resources of Lackawanna County, Pennsylvania / 1975
Ground-water resources of the Brunswick formation in Montgomery and Berks Counties, Pennsylvania / 1965
Ground-water resources of the Loysville and Mifflintown quadrangles in south-central Pennsylvania / 1970
Ground-water resources of valley-fill deposits of Allegheny County, Pennsylvania, 1949
Groundwater and geology of the Cumberland Valley, Cumberland County, Pennsylvania / 1981
Groundwater resources in and near the anthracite basins of Schuylkill and adjacent counties, Pennsylvania / 1991
Groundwater resources in the Cumberland and Contiguous valleys of Franklin County, Pennsylvania / 1982
Groundwater resources of Cambria County, Pennsylvania / 1998
Groundwater resources of Erie County, Pennsylvania / 1987
Groundwater resources of the Berwick-Bloomsburg-Danville area, east-central Pennsylvania / 1988
Groundwater resources of the Gettysburg and Hammer Creek formations, southeastern Pennsylvania / 1980
Groundwater resources of the Lower Susquehanna River Basin, Pennsylvania / 1984
Groundwater resources of the Upper Susquehanna River Basin, Pennsylvania / 1984
Groundwater resources of the West Branch Susquehanna River basin, Pennsylvania / 1983
Groundwater resources of the Williamsport region, Lycoming County, Pennsylvania / 1981
Guidebook to the geology of the Philadelphia area, 1964
High-purity silica occurrences in Pennsylvania / 1985
Huntley Mountain formation Catskill-to-Burgoon transition in north-central Pennsylvania / 1979
Hydrogeology of the carbonate rocks of the Lebanon Valley, Pennsylvania / 1963
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