University of Illinois Urbana-Champaign

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Showing 3241–3270 of 7,378 items
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.

Thumbnail for Annual register. 1941-42
Annual register. 1941-42
University of Illinois at Urbana-Champaign