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University of Illinois Urbana-Champaign

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Showing 31–60 of 547 items
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 Physiographic divisions of Illinois
Physiographic divisions of Illinois
Leighton, Morris M.; Ekblaw, George E.; Horberg, Leland

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

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.