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1
Isopach and lithofacies maps of The Devonian in the Appalachian Basin /
by Oliver, William Albert, 1926-2005
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1971

Government Document Book
2
Stratigraphy and paleontology of the Mahantango formation in south-central Pennsylvania /
by Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965

Government Document Book
3
Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania /
by Kelley, Dana R.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1967

Government Document Book
5
The Oriskany sandstone in the subsurface of Pennsylvania /
by Abel, Kathleen D.
Harrisburg, Pa. : Commonwealth of Pennsylvania [Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey] : May be purchased from State Book Store, 1981

Government Document Book
6
Devonian Tully limestone in Pennsylvania and comparison to type tully limestone in New York /
by Heckel, Philip H.
Harrisburg [Pa.] : Pennsylvania. Bureau of Topographic and Geologic Survey, 1969

Government Document Book
7
Stratigraphy of the Devonian Trimmers Rock in Eastern Pennsylvania /
by Frakes, Lawrence A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967

Government Document Thesis Book
8
Upper Devonian stratigraphy and sedimentary environments in northeastern Pennsylvania /
by Glaeser, J. Douglas
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1974

Government Document Book
9
Stratigraphy, structure, and sedimentary patterns in the Upper Devonian of Bradford County, Pennsylvania /
by Woodrow, Donald L.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968

Government Document Book
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