Search Results for the EPA National Library Catalog

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Geology and mineral resources of the Philipsburg 7 1/2-minute quadrangle, Pennsylvania / 1974
Geology and mineral resources of the Pocono Pines and Mount Pocono quadrangles, Monroe County, Pennsylvania 1977
Geology and mineral resources of the Punxsutawney quadrangle, Pennsylvania / 1969
Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey. 1931
Geology and mineral resources of the Ramey and Houtzdale quadrangles, Clearfield and Centre counties, Pennsylvania / 1977
Geology and mineral resources of the Reading and Birdsboro quadrangles, Berks County, Pennsylvania / 1983
Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania / 1976
Geology and mineral resources of the Salladasburg and Cogan Station quadrangles, Lycoming County, Pennsylvania 1977
Geology and mineral resources of the Sinking Spring quadrangle, Berks and Lancaster Counties, Pennsylvania / 1975
Geology and mineral resources of the Skytop quadrangle, Monroe and Pike counties, Pennsylvania / 1978
Geology and mineral resources of the Smicksburg quadrangle, Pennsylvania 1969
Geology and mineral resources of the southern half of the Clearfield 15-minute quadrangle, Pennsylvania, 1970
Geology and mineral resources of the southern half of the New Bloomfield quadrangle, Pennsylvania. 1967
Geology and mineral resources of the southern half of the Penfield 15-minute quadrangle, Pennsylvania, 1973
Geology and mineral resources of the Temple and Fleetwood quadrangles, Berks County, Pennsylvania / 1979
Geology and mineral resources of the Tobyhanna and Buck Hill Falls quadrangles, Monroe County, Pennsylvania / 1975
Geology and mineral resources of the Washingtonville and Millville quadrangles, Montour, Columbia, and Northumberland Counties, Pennsylvania / 1993
Geology and mineral resources of the Womelsdorf quadrangle / 1963
Geology and mineral resources of York County, Pennsylvania / 1939
Geology and mineralogy of copper-uranium occurrences in the Picture Rocks and Sonestown quadrangles, Lycoming and Sullivan Counties, Pennsylvania / 1984
Geology and natural gas production of the Lower Silurian Medina group and equivalent rock units in Pennsylvania / 1981
Geology and origin of the Triassic magnetite deposit and diabase at Cornwall, Pennsylvania / 1973
Geology and the Gettysburg Campaign / 1997
Geology and uranium occurrences of the northern half of the Lehighton, Pennsylvania, quadrangle and adjoining areas 1963
Geology of a portion of the Allensville quadrangle, Centre and Huntingdon Counties, Pennsylvania / 1969
Geology of a portion of the Everett 15-minute quadrangle, Bedford County, Pennsylvania / 1966
Geology of a portion of the Mt. Holly Springs quadrangle, Adams and Cumberland Counties, Pennsylvania / 1967
Geology of Pennsylvania's oil and gas / 1968
Geology of the Amity quadrangle, Pennsylvania 1964
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
Geostatistical Analysis of Palmerton Soil Survey Data. 1987
Glacial border deposits of late Wisconsinan age in northeastern Pennsylvania / 1980
Glacial geology of northwestern Pennsylvania, 1959
Grace Mine iron ore waste disposal system and estimated costs. 1969
Greater commitment needed to solve continuing problems at Three Mile Island : report to the Congress / 1981
Greater Pittsburgh region : Structure contour map of Allegheny, Armstrong, Beaver, Butler, Washington, and Westmoreland counties / 1975
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