University of Illinois Urbana-Champaign

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Showing 3001–3030 of 3,151 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 Small Business in the Political Process
Small Business in the Political Process
Zeigler, Luther Harmon, Jr.

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey