University of Illinois Urbana-Champaign

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Showing 1–30 of 254 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