University of Illinois Urbana-Champaign

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Showing 421–450 of 10,738 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 Inventory of physical characteristics of the Illinois shore north of Chicago
Inventory of physical characteristics of the Illinois shore north of Chicago
Collinson, Charles; Drake, Patricia L.; Anchor, Charlene K.