University of Illinois Urbana-Champaign

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Showing 3421–3450 of 3,513 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 Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Illinois Agricultural Pesticides Conference: summaries of presentations
Illinois Agricultural Pesticides Conference: summaries of presentations
University of Illinois at Urbana-Champaign. College of Agriculture Cooperative Extension Service