University of Illinois Urbana-Champaign

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Showing 91–120 of 430 items
Thumbnail for Washability tests of Illinois coals
Washability tests of Illinois coals
Callen, Alfred Copeland; Mitchell, David Ray

Thumbnail for Library Buildings
Library Buildings
Allen, Walter C.

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 Weathering of coal
Weathering of coal
Hamilton, Nain Delf