University of Illinois Urbana-Champaign

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Showing 2881–2910 of 5,699 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 Illinois Water and Climate Summary, 2003
Illinois Water and Climate Summary, 2003
Water and Atmospheric Resource Monitoring Program