University of Illinois Urbana-Champaign

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Showing 4111–4140 of 4,238 items
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 Annotated bibliography of observations on Illinois water resources 1673-1850
Annotated bibliography of observations on Illinois water resources 1673-1850
Schlunz, Thomas P.; Sutton, Robert M.; White, George W.