University of Illinois Urbana-Champaign

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Showing 5881–5910 of 6,558 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 Off-line. 14:1-9, 9-12
Off-line. 14:1-9, 9-12
Submitter: Howard Ding