University of Illinois Urbana-Champaign

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Showing 1921–1946 of 1,946 items
Thumbnail for Illinois wetland restoration and creation guide
Illinois wetland restoration and creation guide
Admiraal, Alicia N.; Morris, Marilyn J.; Brooks, Thomas C.; Olsen, Jeffrey W.; Miller, Michael V.

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 Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley

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