University of Illinois Urbana-Champaign

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Showing 901–930 of 1,118 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Faculty letter / no. 151-22
Faculty letter / no. 151-22
Submitter: William Ingram

Thumbnail for Handbook of Illinois stratigraphy
Handbook of Illinois stratigraphy
Willman, Harold Bowen; Atherton, Elwood; Buschbach, T.C.; Collinson, Charles William; Frye, John Chapman; Hopkins, M.E.; Lineback, Jerry Alvin; Simon, Jack A.

Thumbnail for Illinois Breeding Bird Atlas
Illinois Breeding Bird Atlas
Kleen, Vernon M.; Cordle, Liane; Montgomery, Robert A.

Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis