University of Illinois Urbana-Champaign

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Showing 3031–3060 of 4,479 items
Thumbnail for Public ground-water supplies in Livingston county
Public ground-water supplies in Livingston county
Woller, Dorothy M.; Sargent, Michael L.; Olson, Robert D.; Sanderson, Ellis W.

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey