University of Illinois Urbana-Champaign

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Showing 3091–3120 of 13,141 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 NRES news. 1997-2001
NRES news. 1997-2001
University of Illinois at Urbana-Champaign. Department of Natural Resources and Environmental Sciences

Thumbnail for ISAS 2011 Annual Report
ISAS 2011 Annual Report
Submitter: Susan Braxton

Thumbnail for Shawnee area assessment
Shawnee area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources, Illinois State Water Survey