Search Results for the EPA National Library Catalog

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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: Oil and gas fields map / 1975
Greater Pittsburgh region: Structure contour map : of Allegheny, Armstrong, Beaver, Butler, Washington, and Westmoreland Counties / 1985
Greenguide : environmental directory for the Philadelphia area. 1999
GreenWorks gazette {electronic resource} / 2000
Gross regional product in the Ohio River Basin energy study region 1960-1975 / 1979
Ground water contamination in the Northeast States : prepared for Office of Research and Development, U.S. Environmental Protection Agency / 1974
Ground water in north-central Pennsylvania / 1939
Ground water in northeastern Pennsylvania / 1957
Ground water in northwestern Pennsylvania / 1936
Ground water in Pennsylvania, 1970
Ground water in south-central Pennsylvania, 1938
Ground water in southeastern Pennsylvania / 1934
Ground water in southwestern Pennsylvania / 1933
Ground water program for Pennsylvania. 1956
Ground water protected area regulations, southeastern Pennsylvania : adopted October 8, 1980, amended December 16, 1980, effective January 1, 1981 / 1980
Ground water quality protection strategy / 1992
Ground water resources of Bucks County, Pennsylvania / 1955
Ground water resources of the Lansdale area, Pennsylvania / 1955
Ground-water availability in the Genesee River Basin, New York and Pennsylvania 1986
Ground-water levels in the carbonate rocks of central Chester County, Pennsylvania, May 18 to June 15, 1984 1984
Ground-water levels in the Cockeysville marble of southern Chester County, Pennsylvania, 1983-84 1985
Ground-water levels in the lower Paleozoic and Precambrian crystalline rocks, of East Bradford and West Bradford townships, Chester County, Pennsylvania, July and August 1987 1988
Ground-water levels in the lower Paleozoic and Precambrian crystalline rocks, southeastern Chester County, Pennsylvania, July and August 1986 1987
Ground-water levels in the Lower Paleozoic carbonate rocks of Western Chester Valley, Chester County, Pennsylvania, November 1984 1985
Ground-water quality and data on wells and springs in Pennsylvania 1980
Ground-water quality and data on wells and springs in Pennsylvania : Volume III, Delaware River basin / 1982
Ground-water quality and flow at Presque Isle State Park, Erie County, Pennsylvania : with emphasis on impacts from on-site sewage effluent disposal / 1995
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 Montgomery County, Pennsylvania, 1971
Ground-water resources of Pennsylvania / 1941
Ground-water resources of the Brunswick formation in Montgomery and Berks Counties, Pennsylvania / 1965
Ground-water resources of the Chemung River Basin, New York and Pennsylvania 1988
Ground-water resources of the Coastal Plain area of southeastern Pennsylvania : with special reference to the effects of human activities on the quality of water in the Coastal Plain sediments / 1961
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
Ground-Water System, Estimation of Aquifer Hydraulic Properties, and Effects of Pumping on Ground-Water Flow in Triassic Sedimentary Rocks in and Near Lansdale, Pennsylvania. 1999
Groundwater and geology of the Cumberland Valley, Cumberland County, Pennsylvania / 1981
Groundwater Management Plan for the Susquehanna River Basin. 2005
Groundwater Management Plan for the Susquehanna River Basin. Summary Report. 2005
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
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