University of Illinois Urbana-Champaign

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Showing 3451–3480 of 5,559 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 Glaciation and origin of the geest in the driftless area of northwestern Illinois
Glaciation and origin of the geest in the driftless area of northwestern Illinois
Willman, Harold Bowen; Frye, John Chapman; Glass, Herbert David