University of Illinois Urbana-Champaign

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Showing 9181–9210 of 9,649 items
Thumbnail for Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Chemical composition and geochemistry of the New Albany shale group (Devonian-Mississippian) in Illinois
Frost, Joyce K.; Zierath, David L.; Shimp, Neil F.; Bergstrom, Robert Edward

Thumbnail for Shawnee area assessment
Shawnee area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources, Illinois State Water Survey

Thumbnail for Scepticism and naturalism
Scepticism and naturalism
Griffin, Timothy Lee

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.