University of Illinois Urbana-Champaign

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Showing 331–360 of 712 items
Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Ecological Assessment of Created Wetlands in Illinois
Ecological Assessment of Created Wetlands in Illinois
Crawford,John A.; Kuhns,Andrew R.; Mettler-Cherry,Paige