University of Illinois Urbana-Champaign

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Showing 361–390 of 1,767 items
Thumbnail for Water Quality in Cedar Lake and the Relevance of Its Watershed
Water Quality in Cedar Lake and the Relevance of Its Watershed
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for Effect of agriculture on Cedar Lake water quality
Effect of agriculture on Cedar Lake water quality
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Identification of Large Grassland Ecosystems in Illinois
Identification of Large Grassland Ecosystems in Illinois
McKinney, Lloyd B.; Joselyn, Mark G.; Aycrigg, Jocelyn L.; Brown, Patrick W.