University of Illinois Urbana-Champaign

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Showing 7831–7860 of 17,913 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 Potential surface water reservoirs of north-central Illinois
Potential surface water reservoirs of north-central Illinois
Dawes, Julius Henry; Terstriep, Michael Lee