University of Illinois Urbana-Champaign

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Showing 451–480 of 670 items
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 Thorn Creek area assessment
Thorn Creek area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley

Thumbnail for A directory of Illinois systematists, ecologists, and field biologists
A directory of Illinois systematists, ecologists, and field biologists
Burton, Philip J.; Dennis, Ann; Robertson, Kenneth R.