University of Illinois Urbana-Champaign

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Showing 6061–6090 of 6,861 items
Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for The chemical effects of ultrasound
The chemical effects of ultrasound
Doktycz, Stephen Joseph