University of Illinois Urbana-Champaign

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Showing 6931–6960 of 6,973 items
Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

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 Petroleum industry in Illinois, 1966
Petroleum industry in Illinois, 1966
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Illinois Agronomy Handbook 1997-1998
Illinois Agronomy Handbook 1997-1998
Submitter: Ayla Kenfield

Thumbnail for Groundwater availability in Champaign County
Groundwater availability in Champaign County
Sanderson, Ellis W.; Zewde, Elias