University of Illinois Urbana-Champaign

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Showing 9961–9990 of 26,416 items
Thumbnail for Gumbotil, accretion-gley, and the weathering profile
Gumbotil, accretion-gley, and the weathering profile
Frye, John Chapman; Willman, Harold Bowen; Glass, Herbert David

Thumbnail for Annual report for 1948-1949
Annual report for 1948-1949
Illinois State Water Survey

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.