University of Illinois Urbana-Champaign

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Showing 31–60 of 765 items
Thumbnail for Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall counties, Illinois
Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Hansel, Ardith K.; Killey, Myrna M.; Nelson, Robert S.; Malone, Dave H.; Shields, William E.; Corbett, Robert G.

Thumbnail for A Work Journal
A Work Journal
Dickson, Katherine Murphy

Thumbnail for A field guide to the Illinois Caverns State Natural Area
A field guide to the Illinois Caverns State Natural Area
Panno, S.V.; Greenberg, Sallie E.; Weibel, C. Pius; Gillespie, Patricia K.