University of Illinois Urbana-Champaign

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Thumbnail for A Regional Ground-Water Quality Characterization of the Rockford Area, Winnebago County, Illinois
A Regional Ground-Water Quality Characterization of the Rockford Area, Winnebago County, Illinois
Wehrmann, H. Allen; Holm, Thomas R.; Le Seur, Linda P.; Curtiss, Charles D. III

Thumbnail for Vermilion River (Illinois River Basin) area assessment
Vermilion River (Illinois River Basin) area assessment
Illinois Deptartment of Natural Resources