University of Illinois Urbana-Champaign

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Showing 1231–1260 of 1,413 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 Annual register. 1928-29
Annual register. 1928-29
University of Illinois at Urbana-Champaign

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

Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley

Thumbnail for Annual register. 1927-28
Annual register. 1927-28
University of Illinois at Urbana-Champaign

Thumbnail for Annual register. 1926-27
Annual register. 1926-27
University of Illinois at Urbana-Champaign

Thumbnail for Directory of Illinois mineral producers 1974
Directory of Illinois mineral producers 1974
Malhotra, Ramesh; Smith, Portia Allyn

Thumbnail for Vermilion River (Illinois River Basin) area assessment
Vermilion River (Illinois River Basin) area assessment
Illinois Deptartment of Natural Resources

Thumbnail for Annual register. 1935-36
Annual register. 1935-36
University of Illinois at Urbana-Champaign