University of Illinois Urbana-Champaign

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Showing 1291–1320 of 1,498 items
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 Lower Rock River area assessment
Lower Rock River area assessment
Submitter: Steven Mccauley