University of Illinois Urbana-Champaign

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Showing 3661–3690 of 5,883 items
Thumbnail for Public ground-water supplies in DuPage county
Public ground-water supplies in DuPage county
Woller, Dorothy M.; Sanderson, Ellis W.; Sargent, Michael L.

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

Thumbnail for Illinois farm economics. 101-170
Illinois farm economics. 101-170
University of Illinois at Urbana-Champaign. Extension Service in Agriculture and Home Economics

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Petroleum industry in Illinois in 1956.
Petroleum industry in Illinois in 1956.
Bell, Alfred Hannam; Kline, Virginia Harriet; Pierre, Donald A.

Thumbnail for Illinois Lake Quality Assessment-1992
Illinois Lake Quality Assessment-1992
Lin, Shun Dar; Raman, Raman K.