University of Illinois Urbana-Champaign

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Showing 9721–9750 of 13,408 items
Thumbnail for Design of an experiment to suppress hail in Illinois
Design of an experiment to suppress hail in Illinois
Changnon, Stanley Alcide; Morgan, Griffith M.

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 Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.