University of Illinois Urbana-Champaign

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Showing 2821–2850 of 7,058 items
Thumbnail for Coals of Illinois: Their efficiency as steam coals
Coals of Illinois: Their efficiency as steam coals
Dull, Raymond William; Mann, Arthur Richard

Thumbnail for Roman news bulletins
Roman news bulletins
Woodin, Mary Eastman

Thumbnail for The geology of zinc in coals of the Illinois Basin
The geology of zinc in coals of the Illinois Basin
Cobb, J.C.; Steele, J.D.; Treworgy, C.G.; Ashby, Jim F.; Russell, S.J.