University of Illinois Urbana-Champaign

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Showing 1921–1950 of 4,317 items
Thumbnail for Irrigation Practices in Illinois
Irrigation Practices in Illinois
Bowman, Jean A.; Kimpel, Brian C.

Thumbnail for Thorn Creek area assessment
Thorn Creek area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Structural framework of the Mississippi embayment of southern Illinois
Structural framework of the Mississippi embayment of southern Illinois
Kolata, Dennis R.; Treworgy, Janis D.; Masters, John M.