University of Illinois Urbana-Champaign

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Showing 1–30 of 50 items
Thumbnail for Road Materials Resources of Ogle County, Illinois
Road Materials Resources of Ogle County, Illinois
Flint, R.F.; Bevan, A.; Bretz, JH.

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 Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Geology for planning in northeastern Illinois. VIII. Regional summary
Geology for planning in northeastern Illinois. VIII. Regional summary
Kempton, John P.; Bogner, Jean E.; Cartwright, Keros

Thumbnail for Economic and Geologic Papers
Economic and Geologic Papers
Nebel, M.L.; Savage, Thomas Edmund; Culver, Harold E.; Bretz, J Harlen; Currier, Louis W.