University of Illinois Urbana-Champaign

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Showing 1951–1980 of 3,947 items
Thumbnail for Quality of surface waters in Illinois
Quality of surface waters in Illinois
Larson, Thurston Eric; Larson, Bernt Oscar

Thumbnail for Engineering and legal aspects of land drainage in Illinois.
Engineering and legal aspects of land drainage in Illinois.
Pickels, George Wellington; Leonard, Frank Bonner, b. 1891.

Thumbnail for Kankakee River area assessment
Kankakee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Nitrates, nitrites, and health
Nitrates, nitrites, and health
Deeb, Barbara S.; Sloan, Kenneth W.