University of Illinois Urbana-Champaign

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Showing 8941–8970 of 17,423 items
Thumbnail for Geochemical and petrographic analysis of the Sparks Hill Diatreme and its relationship to the Illinois-Kentucky fluorspar district
Geochemical and petrographic analysis of the Sparks Hill Diatreme and its relationship to the Illinois-Kentucky fluorspar district
Denny, F. Brett; Maria, Anton H.; Mulvaney-Norris, Joseph L.; Guillemette, Renald N.; Cahill, Richard A.; Fifarek, Richard H.; Freiburg, Jared T.; Anderson, Warren, H.

Thumbnail for Illinois Technograph v. 005 (1890-1891)
Illinois Technograph v. 005 (1890-1891)
Submitter: Timothy Donohue