University of Illinois Urbana-Champaign

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Showing 1561–1590 of 2,305 items
Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Guide to the papers in the John Hunter Walker collection, 1911-1953
Guide to the papers in the John Hunter Walker collection, 1911-1953
Carlson, Douglas W.; Pausch, Lois M.; Robertson, Margaret W.

Thumbnail for Assessment of Public Groundwater Supplies in Illinois
Assessment of Public Groundwater Supplies in Illinois
Visocky, Adrian P.; Wehrman, H. Allen; Kim, Keu W.; Ringler, Robert W.