University of Illinois Urbana-Champaign

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Showing 1621–1650 of 2,499 items
Thumbnail for Supplement I to Bulletin 21
Supplement I to Bulletin 21
Buswell, Arthur M.; Greenfield, Robert Edman; Gallaher, William Uren; McRoberts, Lewis Henry; Edwards, Gail Phillips

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

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 Sugar-Pecatonica area assessment
Sugar-Pecatonica area assessment
Submitter: Steven Mccauley