University of Illinois Urbana-Champaign

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Showing 211–240 of 3,641 items
Thumbnail for Analyses of some Illinois rocks for gold
Analyses of some Illinois rocks for gold
Bradbury, J.C.; Hester, Norman C.; Ruch, R.R.

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

Thumbnail for Special to farm advisers / 1953
Special to farm advisers / 1953
Submitter: Howard Ding

Thumbnail for Preliminary Report on the Ground-Water Resources of the Havana Region in
Preliminary Report on the Ground-Water Resources of the Havana Region in
Walker, William H.; Bergstrom, Robert Edward; Walton, William Clarence