University of Illinois Urbana-Champaign

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Showing 2821–2850 of 3,055 items
Thumbnail for Technograph. 42-44 (1929 - 1930)
Technograph. 42-44 (1929 - 1930)
Submitter: William Ingram

Thumbnail for Driftless area assessment
Driftless area assessment
Submitter: Steven Mccauley

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 Technograph v. 038 (1925-1926)
Illinois Technograph v. 038 (1925-1926)
Submitter: Timothy Donohue

Thumbnail for Directory of Illinois mineral producers 1992
Directory of Illinois mineral producers 1992
Samson, Irma; Masters, John M.