University of Illinois Urbana-Champaign

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Showing 9601–9630 of 9,911 items
Thumbnail for Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Prairie Parklands area assessment
Prairie Parklands area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Engineering soil report: Livingston County, Illinois
Engineering soil report: Livingston County, Illinois
Thornburn, Thomas Hampton; Morse, Robert K.; Liu, Thomas Kuan-hsien