University of Illinois Urbana-Champaign

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Showing 1531–1560 of 2,446 items
Thumbnail for Annual register. 1930-31
Annual register. 1930-31
University of Illinois at Urbana-Champaign

Thumbnail for An Assessment of Class V Underground Injection in Illinois
An Assessment of Class V Underground Injection in Illinois
Burch, Stephen L.; Hensel, Bruce R.; Nealon, John S.; Smith, Edward C.

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 Annual register. 1923-24
Annual register. 1923-24
University of Illinois at Urbana-Champaign

Thumbnail for Geology for planning in the Springfield-Decatur region, Illinois
Geology for planning in the Springfield-Decatur region, Illinois
Bergstrom, Robert E.; Piskin, Kemal; Follmer, Leon R.

Thumbnail for Annual register. 1929-30
Annual register. 1929-30
University of Illinois at Urbana-Champaign