University of Illinois Urbana-Champaign

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Showing 2611–2640 of 2,740 items
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, 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 iConference 2010 Proceedings
iConference 2010 Proceedings
Submitter: Heekyung Choi

Thumbnail for Illinois Technograph v. 078 (1962-1963)
Illinois Technograph v. 078 (1962-1963)
Submitter: Timothy Donohue

Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey