University of Illinois Urbana-Champaign

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Showing 4261–4290 of 14,487 items
Thumbnail for Assessing the removal of air toxics in marketed Illinois coals by gravity-based cleaning
Assessing the removal of air toxics in marketed Illinois coals by gravity-based cleaning
Demir, Ilham; Ruch, Rodney R.; Lytle, John M.; Steele, John D.; Rohl, Chris C.

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.