University of Illinois Urbana-Champaign

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Showing 5971–6000 of 10,427 items
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 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 Annual register. 1917-18
Annual register. 1917-18
University of Illinois at Urbana-Champaign