University of Illinois Urbana-Champaign

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Showing 2311–2340 of 4,137 items
Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Middle Mississippian carbonates and siliciclastics in Western Illinois
Middle Mississippian carbonates and siliciclastics in Western Illinois
Lasemi, Zakaria; Norby, Rodney D.; Devera, Joseph A.; Fouke, Bruce W.; Leetaru, Hannes E.; Denny, F. Brett