University of Illinois Urbana-Champaign

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Showing 1861–1890 of 1,897 items
Thumbnail for High school mathematics / 3
High school mathematics / 3
University of Illinois at Urbana-Champaign. Committee on School Mathematics; Beberman, Max; Vaughan, Herbert E.

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

Thumbnail for Petroleum industry in Illinois, 1984. Oil and gas developments
Petroleum industry in Illinois, 1984. Oil and gas developments
Van Den Berg, Jacob; Treworgy, Janis D.; Elyn, Jaclyn Rendall

Thumbnail for Illinois farm economics. 71-100
Illinois farm economics. 71-100
University of Illinois at Urbana-Champaign. Extension Service in Agriculture and Home Economics