University of Illinois Urbana-Champaign

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Showing 6841–6870 of 7,421 items
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 Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Forested wetlands for water resource management in southern Illinois
Forested wetlands for water resource management in southern Illinois
Mitsch, William J.; Dorge, Carol L.; Wiemhoff, John R.