University of Illinois Urbana-Champaign

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Showing 1861–1890 of 2,476 items
Thumbnail for Subject index to Illinois school reports 1855-98
Subject index to Illinois school reports 1855-98
Branch, Elizabeth; Clatworthy, Linda Marie; Hurlbert, Flora Dorothy

Thumbnail for Mackinaw River area assessment.
Mackinaw River area assessment.
Illinois Department of Natural Resources

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.