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Last edited by Open Library Bot
December 4, 2010
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History of edits to

Late Pennsylvanian and Early Permian cyclic sedimentation, paleogeography, paleoecology, and biostratigraphy in Kansas and Nebraska

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2 December 4, 2010
Open Library Bot
 Added subjects from MARC records.    
1 December 10, 2009
WorkBot
 add works page