University of Illinois Urbana-Champaign

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Showing 9301–9330 of 45,296 items
Thumbnail for Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Willman, Harold Bowen; Glass, Herbert David; Frye, John Chapman

Thumbnail for Additional Content
Additional Content
Submitter: Howard Ding

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.