University of Illinois Urbana-Champaign

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Showing 121–150 of 2,062 items
Thumbnail for Oil and gas development in Illinois in 1954
Oil and gas development in Illinois in 1954
Bell, Alfred Hannam; Kline, Virginia Harriet

Thumbnail for Illinoian and Kansan molluscan faunas of Illinois
Illinoian and Kansan molluscan faunas of Illinois
Leonard, Arthur Byron; Frye, John Chapman; Johnson, W. Hilton

Thumbnail for Directory of Illinois mineral producers, and maps of extraction sites
Directory of Illinois mineral producers, and maps of extraction sites
Miao, Xiaodong; Lasemi, Zakaria; Mikulic, Donald G.; Falter, Michael

Thumbnail for Possible Geological-Geochemical Sources of Ammonium in Groundwater: Preliminary Results
Possible Geological-Geochemical Sources of Ammonium in Groundwater: Preliminary Results
Roy, William R.; Glessner, Justin J.G.; Krapac, Ivan G.; Larson, Timothy H.