University of Illinois Urbana-Champaign

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Showing 571–600 of 907 items
Thumbnail for The Leguminosae of Illinois. 22
The Leguminosae of Illinois. 22
Gambill, William Gray

Thumbnail for Kinkaid area assessment
Kinkaid area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.