University of Illinois Urbana-Champaign

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Showing 1–30 of 1,501 items
Thumbnail for Development of paleobotany in the Illinois Basin
Development of paleobotany in the Illinois Basin
Phillips, Tom Lee; Pfefferkorn, Hermann W.; Peppers, Russel A.

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Marketing Calhoun County apples
Marketing Calhoun County apples
Lloyd, John William; Newell, Horace Mead