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1
por Faill, Rodger T.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1978
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1978
Documento de Gobierno
Libro
2
por Frakes, Lawrence A.
Harrisburg, Pa. : Commonwealth of Pennsylvania [Department of Internal Affairs, Bureau of Topographic and Geological Survey], 1967
“...General geology report....”Harrisburg, Pa. : Commonwealth of Pennsylvania [Department of Internal Affairs, Bureau of Topographic and Geological Survey], 1967
Tesis
Libro
3
por Faill, Rodger T., Hoskins, Donald M., Wells, Richard B.
Harrisburg, Pa. : Commonwealth of Pennsylvania [Department of Environmental Resources, Bureau of Topographic and Geological Survey], 1978
“...General geology report....”Harrisburg, Pa. : Commonwealth of Pennsylvania [Department of Environmental Resources, Bureau of Topographic and Geological Survey], 1978
Libro
4
por Glaeser, J. Douglas
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1974
“...General geology report ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1974
Documento de Gobierno
Libro
5
por Walker, Roger G.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1972
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1972
Documento de Gobierno
Libro
6
por Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
“...General geology report....”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
Documento de Gobierno
Libro
7
por Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
“...General geology report....”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965
Documento de Gobierno
Libro
8
por Frakes, Lawrence A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
Documento de Gobierno
Tesis
Libro
9
por Woodrow, Donald L.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
Documento de Gobierno
Libro