University of Illinois Urbana-Champaign

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Showing 3001–3030 of 6,179 items
Thumbnail for The modification of Illinois coal by low temperature distillation
The modification of Illinois coal by low temperature distillation
Parr, Samuel Wilson; Francis, Charles Kenworthy

Thumbnail for Coal washing in Illinois
Coal washing in Illinois
Lincoln, Francis Church

Thumbnail for Farm news for weeklies. 1953
Farm news for weeklies. 1953
Submitter: Howard Ding

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey