University of Illinois Urbana-Champaign

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Showing 1501–1521 of 1,521 items
Thumbnail for Assessment of Eighteen Public Ground-water Supplies in Illinois
Assessment of Eighteen Public Ground-water Supplies in Illinois
Wehrmann, H. Allen; Visocky, Adrian P.; Burris, Charles B.; Ringler, Robert W.; Brower, Ross D.

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Driftless area assessment
Driftless area assessment
Submitter: Steven Mccauley

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.