University of Illinois Urbana-Champaign

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Showing 121–150 of 1,204 items
Thumbnail for The Current Status of Scirpus hallii A. Gray, Hall's Bulrush in Illinois
The Current Status of Scirpus hallii A. Gray, Hall's Bulrush in Illinois
Robertson, Kenneth, R.; Phillippe, Loy R.; Gehlhausen, Sophia M.

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 Guide to the Illinois Caverns State Natural Area
Guide to the Illinois Caverns State Natural Area
Panno, Samuel V.; Greenberg, S.; Weibel, C. Pius; Gillespie, Patricia K.