University of Illinois Urbana-Champaign

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Showing 1921–1950 of 4,059 items
Thumbnail for Annual report : May 1, 1987 - June 30, 1988
Annual report : May 1, 1987 - June 30, 1988
Illinois. Hazardous Waste Research and Information Center

Thumbnail for Illinois clays and shales as mortar mix,
Illinois clays and shales as mortar mix,
Hursh, Ralph Kent; Lamar, John Everts; Grim, Ralph E.

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