University of Illinois Urbana-Champaign

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Showing 601–630 of 2,357 items
Thumbnail for The mica in argillaceous sediments
The mica in argillaceous sediments
Grim, Ralph E.; Bray, Roger Hammond; Bradley, William Frank

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

Thumbnail for Surface structure map of Shelby, Effingham and Fayette counties,
Surface structure map of Shelby, Effingham and Fayette counties,
Newton, William Albert; Weller, J. Marvin; Bell, Alfred Hannam