University of Illinois Urbana-Champaign

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Showing 1921–1950 of 1,990 items
Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for The Summary of Engineering Research 2007
The Summary of Engineering Research 2007
University of Illinois at Urbana-Champaign. College of Engineering

Thumbnail for The Summary of Engineering Research 2008
The Summary of Engineering Research 2008
University of Illinois at Urbana-Champaign. College of Engineering

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 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 Illinois Breeding Bird Atlas
Illinois Breeding Bird Atlas
Kleen, Vernon M.; Cordle, Liane; Montgomery, Robert A.