University of Illinois Urbana-Champaign

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Showing 421–450 of 2,052 items
Thumbnail for Handbook of Illinois stratigraphy
Handbook of Illinois stratigraphy
Willman, Harold Bowen; Atherton, Elwood; Buschbach, T.C.; Collinson, Charles William; Frye, John Chapman; Hopkins, M.E.; Lineback, Jerry Alvin; Simon, Jack A.

Thumbnail for The fertility in Illinois Soils
The fertility in Illinois Soils
Hopkins, Cyril G.; Pettit, James Harvey

Thumbnail for Studies of Nearctic Aquatic Insects
Studies of Nearctic Aquatic Insects
Ross, Herbert Holdsworth; Frison, Theodore Henry

Thumbnail for Oil and gas development in Illinois in 1939
Oil and gas development in Illinois in 1939
Bell, Alfred Hannam; Cohee, George Vincent