University of Illinois Urbana-Champaign

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Showing 661–690 of 1,790 items
Thumbnail for St. Clair County soils / 63
St. Clair County soils / 63
Smith, Guy D.; Smith, Louie Henrie

Thumbnail for Historical and contemporary characteristics of Illinois River Valley wetlands: a geospatial database for conservation planning and evaluations
Historical and contemporary characteristics of Illinois River Valley wetlands: a geospatial database for conservation planning and evaluations
Stafford, Joshua D.; Horath, Michelle M.; Yetter, Aaron P.; Smith, Randolph V.; Hine, Christopher S.

Thumbnail for News from the Field
News from the Field
Submitter: Howard Ding

Thumbnail for Oil and gas development in Illinois in 1949
Oil and gas development in Illinois in 1949
Bell, Alfred Hannam; Kline, Virginia