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Last edited anonymously
April 1, 2008 | History

Pennsylvania. Bureau of Topographic and Geologic Survey

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  • Cover of: Analyses and measured sections of Pennsylvania bituminous coals

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  • Cover of: The petroleum industry and the future petroleum province in Pennsylvania, 1970.

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  • Cover of: Atlas of Pennsylvania's mineral resources

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  • Cover of: Geologic map of Pennsylvania.: Pennsylvania Geologic Survey, 4th ser.

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  • Cover of: Geology and mineral resources of Bucks County, Pennsylvania.

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  • Cover of: The Devonian of Pennsylvania: Middle and upper Devonian

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  • Cover of: The Pennsylvania geological survey: administrative report

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  • Cover of: Bituminous coal fields of Pennsylvania

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  • Cover of: The Pennsylvania survey, 1919-1922

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  • Cover of: List of publications and reports issued and in progress.

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  • Cover of: The mineral production of Pennsylvania, 1911, 1913

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  • Cover of: Topographic and geological survey of Pennsylvania: made in co-operation with the United States Geological Survey, 1899-1906.

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April 1, 2008 Created by an anonymous user initial import