University of Illinois Urbana-Champaign

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Showing 1231–1260 of 1,605 items
Thumbnail for Pennsylvanian fusulinidae of Illinois,
Pennsylvanian fusulinidae of Illinois,
Dunbar, Carl O.; Henbest, Lloyd G.; Weller, J. Marvin

Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for GeoSciences / 1994-99
GeoSciences / 1994-99
Submitter: Howard Ding

Thumbnail for Transactions of the Board of Trustees [electronic resource] / 1998-00
Transactions of the Board of Trustees [electronic resource] / 1998-00
University of Illinois (System). Board of Trustees