University of Illinois Urbana-Champaign

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Showing 1–6 of 6 items
Thumbnail for Effects of outdoor storage on Illinois steam coals
Effects of outdoor storage on Illinois steam coals
Rees, O.W.; Coolican, F.C.; Pierron, E.D.; Beeler, C.W.

Thumbnail for Plastic properties of coal
Plastic properties of coal
Pierron, Emile Desire

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