University of Illinois Urbana-Champaign

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Showing 31–60 of 547 items
Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman

Thumbnail for Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Guide to the geology of the Pekin area, Tazewell and Mason Counties, Illinois
Frankie, Wayne T.; Jacobson, Russell J.; Nelson, Robert S.

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

Thumbnail for Illinois Groundwater Quality Data Summary
Illinois Groundwater Quality Data Summary
Gibb, James P.; O'Hearn, Michael

Thumbnail for 43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
Tri-State Geological Field Conference (43rd : 1979 : Grafton, Ill.)

Thumbnail for Pinckneyville area geological science field trip
Pinckneyville area geological science field trip
Reinertsen, David L.; Goodwin, Jonathan H.

Thumbnail for Quaternary records of southwestern Illinois and adjacent Missouri.
Quaternary records of southwestern Illinois and adjacent Missouri.
Graham, Russell W.; Styles, Bonnie W.; Saunders, Jeffrey J.; Wiant, Michael D.; McKay, E. Donald, III; Styles, Thomas R.; Hajic, Edwin R.