University of Illinois Urbana-Champaign

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Showing 6571–6600 of 12,300 items
Thumbnail for Water Quality in Cedar Lake and the Relevance of Its Watershed
Water Quality in Cedar Lake and the Relevance of Its Watershed
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.

Thumbnail for Special to farm advisers / 1963
Special to farm advisers / 1963
Submitter: Howard Ding

Thumbnail for Oil and gas development in Illinois in 1954
Oil and gas development in Illinois in 1954
Bell, Alfred Hannam; Kline, Virginia Harriet