University of Illinois Urbana-Champaign

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Showing 5161–5190 of 9,068 items
Thumbnail for Public ground-water supplies in DuPage county
Public ground-water supplies in DuPage county
Woller, Dorothy M.; Sanderson, Ellis W.; Sargent, Michael L.

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