University of Illinois Urbana-Champaign

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Showing 361–390 of 1,339 items
Thumbnail for Classification of the Pennsylvanian rocks of Illinois as of 1956,
Classification of the Pennsylvanian rocks of Illinois as of 1956,
Wanless, Harold R. (Harold Rollin), 1899-1970.; Siever, Raymond

Thumbnail for Geologic mapping for environmental planning, McHenry County, Illinois
Geologic mapping for environmental planning, McHenry County, Illinois
Curry, B. Brandon; Berg, Richard C.; Vaiden, Robert

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 Geology for planning in De Witt County, Illinois
Geology for planning in De Witt County, Illinois
Hunt, Cathy S.; Kempton, John P.