University of Illinois Urbana-Champaign

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Showing 361–390 of 843 items
Thumbnail for Introduction to human ecology
Introduction to human ecology
University of Illinois. Committee on Human Ecology

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Mississippian stratotypes
Mississippian stratotypes
Collinson, Charles; Baxter, James W.; Norby, R.D.; Lane, H.R.; Brenckle, Paul D.