University of Illinois Urbana-Champaign

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Showing 541–570 of 2,410 items
Thumbnail for Geologic road map of Illinois : surface deposits and landscapes
Geologic road map of Illinois : surface deposits and landscapes
Grimley, David A.; Stiff, Barbara J.; Andrew, Michael J.

Thumbnail for Coal industry in Illinois
Coal industry in Illinois
Louchios, Andrew G.; Elrick, Scott D.; Korose, Christopher P.