University of Illinois Urbana-Champaign

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Showing 1–30 of 454 items
Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.

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 Science fiction and the theatre
Science fiction and the theatre
Willingham, Ralph Allen

Thumbnail for The Cottage Grove Fault System in southern Illinois
The Cottage Grove Fault System in southern Illinois
Nelson, W. John; Krausse, Hans Friedrich; Bristol, Hubert M.