University of Illinois Urbana-Champaign

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Showing 871–900 of 1,760 items
Thumbnail for Guide to the papers in the John Hunter Walker collection, 1911-1953
Guide to the papers in the John Hunter Walker collection, 1911-1953
Carlson, Douglas W.; Pausch, Lois M.; Robertson, Margaret W.

Thumbnail for Petroleum industry in Illinois in 1957
Petroleum industry in Illinois in 1957
Bell, Alfred Hannam; Kline, Virginia Harriet; Sherman, Carl W.

Thumbnail for Vermilion River (Illinois River Basin) area assessment
Vermilion River (Illinois River Basin) area assessment
Illinois Deptartment of Natural Resources