University of Illinois Urbana-Champaign

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Showing 271–290 of 290 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for A directory of Illinois systematists, ecologists, and field biologists
A directory of Illinois systematists, ecologists, and field biologists
Burton, Philip J.; Dennis, Ann; Robertson, Kenneth R.

Thumbnail for Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for La Moine River area assessment
La Moine River area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves