Search Results for the EPA National Library Catalog

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Geology and mineral resources of the Curwensville quadrangle / 1969
Geology and mineral resources of the Donegal quadrangle, Pennsylvania / 1963
Geology and mineral resources of the Harrisburg west area, Cumberland and York Counties, Pennsylvania / 1977
Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania / 1978
Geology and mineral resources of the Hickory Run and Blakeslee quadrangles, Carbon and Monroe counties, Pennsylvania / 1975
Geology and mineral resources of the Honeybrook and Phoenixville quadrangles, Pennsylvania, 1938
Geology and mineral resources of the Iron Springs area, Adams and Franklin Counties, Pennsylvania / 1978
Geology and mineral resources of the Lehighton and Palmerton quadrangles, Carbon and Northampton counties, Pennsylvania / 1974
Geology and mineral resources of the Linden and Williamsport quadrangles, Lycoming County, Pennsylvania / 1977
Geology and mineral resources of the Lock Haven quadrangle : Clinton and Lycoming Counties, Pennsylvania 1977
Geology and mineral resources of the Loysville quadrangle, Pennsylvania / 1961
Geology and mineral resources of the Middletown quadrangle, Pennsylvania, 1933
Geology and mineral resources of the Mifflintown quadrangle, Pennsylvania / 1962
Geology and mineral resources of the Millersburg 15-minute quadrangle, Dauphin, Juniata, Northumberland, Perry, and Snyder Counties, Pennsylvania / 1976
Geology and mineral resources of the Millerstown Quadrangle, Perry, Juniata, and Snyder Counties, Pennsylvania / 1974
Geology and mineral resources of the Montoursville North and Huntersville quadrangles, Lycoming County, Pennsylvania / 1980
Geology and mineral resources of the Montoursville South and Muncy quadrangles and part of the Hughesville quadrangle, Lycoming, Northumberand, and Montour Counties, Pennsylvania / 1979
Geology and mineral resources of the New Florence quadrangle, Pennsylvania. 1958
Geology and mineral resources of the New Holland quadrangle, Pennsylvania / 1969
Geology and mineral resources of the northern half of the Houtzdale 15-minute quadrangle, Pennsylvania / 1968
Geology and mineral resources of the Oil City quadrangle, Venango county, Pennsylvania / 1979
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
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