University of Illinois Urbana-Champaign

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Showing 1411–1440 of 1,455 items
Thumbnail for Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves

Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

Thumbnail for Illinois Waterfowl Surveys and Investigations W-43-R-67 Annual Progress Report FY2020
Illinois Waterfowl Surveys and Investigations W-43-R-67 Annual Progress Report FY2020
Yetter, Aaron P.; Fournier, Auriel M.V.; Gilbert, A.D.; Osborn, J.M.; Klimas, S.T.; Askren, R.J.; Malanchuk, L.J.; Beach C.R.; Lancaster, Joseph D.; Jacques, C.N.; Hagy, H.M.; and Ward, M.P.