University of Illinois Urbana-Champaign

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Showing 781–810 of 6,213 items
Thumbnail for Identification of Sources of Fecal Pollution of Karst Waters
Identification of Sources of Fecal Pollution of Karst Waters
Zheng, Y.; Kelly, W.R.; Panno, S.V.; Liu, W.-T.

Thumbnail for Prairie Parklands area assessment
Prairie Parklands area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis