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Last edited anonymously
August 19, 2008 | History

Robert L. Ravn

We need a photo of Robert L. Ravn

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  • Cover of: Miospores of the Kekiktuk formation (lower carboniferous), Endicott Field Area, Alaska North Slope

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  • Cover of: An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa

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  • Cover of: Palynostratigraphy of the lower and middle Pennsylvanian coals of Iowa

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History

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August 19, 2008 Edited by an anonymous user fix author name
April 1, 2008 Created by an anonymous user initial import