University of Illinois Urbana-Champaign

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Showing 4381–4410 of 14,341 items
Thumbnail for Effect of agriculture on Cedar Lake water quality
Effect of agriculture on Cedar Lake water quality
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

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