University of Illinois Urbana-Champaign

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Showing 1–30 of 199 items
Thumbnail for Silurian geology of the Des Plaines River Valley, northeastern Illinois
Silurian geology of the Des Plaines River Valley, northeastern Illinois
Mikulic, Donald G.; Sargent, Michael L.; Norby, Rodney D.; Kolata, Dennis R.

Thumbnail for Annual newsletter / 194958
Annual newsletter / 194958
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Mineralogy of glacial tills and their weathering profiles in Illinois : Part I. Glacial tills
Willman, Harold Bowen; Glass, Herbert David; Frye, John Chapman