University of Illinois Urbana-Champaign

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Showing 1051–1080 of 1,410 items
Thumbnail for Annual register. 1895-1898
Annual register. 1895-1898
University of Illinois at Urbana-Champaign

Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

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