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1
Geologic map of the Slate Run quadrangle, Pennsylvania /
by Colton, George Willis, 1920-
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966

Government Document Map
2
Geologic structure in the plateaus region of Northern Pennsylvania and its relation to the occurrence of gas in the Oriskany sand /
by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1934

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Book
3
Geologic structure of the Pittsburgh quadrangle, PA. /
by Johnson, M. E.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1923

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Book
4
Rocks of the Quarryville quadrangle, Penna. /
by Jonas, Anna I.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1923

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Book
5
Comparative tectonics and stratigraphy of the Cumberland and Lebanon valleys,
by MacLachlan, David B.
Harrisburg, Pa., Bureau of Topographic and Geologic Survey, Dept. of Internal Affairs, 1966

Conference Proceeding Book
6
Rocks of the McCalls Ferry quadrangle, Penna. /
by Jonas, Anna I. (Anna Isabel), 1881-1974
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923

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Book
7
Coal resources of Washington County, Pennsylvania /
by Skema, Viktoras W.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Department of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : Copies from State Book Store, 1987

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Book
8
Structure and Silurian-Devonian stratigraphy of the valley and ridge province, central Pennsylvania : guidebook for the 38th Annual Field Conference of Pennsylvania Geologists, October 5-6, 1973, [Harrisburg, Pa.] /
Harrisburg, Pa. : The Conference : Distributed by Bureau of Topographic and Geologic Survey, Dept. of Environmental Resources, 1973

Conference Proceeding Book
9
Environmental geology for land-use planning /
by Geyer, Alan R., McGlade, William G.
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1972

Government Document Book
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