University of Illinois Urbana-Champaign

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Showing 2461–2490 of 2,775 items
Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Kaskaskia River area assessment
Kaskaskia River area assessment
Submitter: Steven Mccauley

Thumbnail for Special to farm advisers / 1948
Special to farm advisers / 1948
Submitter: Howard Ding