University of Illinois Urbana-Champaign

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Showing 3541–3570 of 5,611 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 Results of Studies of Illinois Hunters, Landowners, and Participants in Access Illinois
Results of Studies of Illinois Hunters, Landowners, and Participants in Access Illinois
Miller, Craig A.; Campbell, Linda K.; Yeagle, Jessica A.; Williams, R. Jason

Thumbnail for Petroleum industry in Illinois, 1967
Petroleum industry in Illinois, 1967
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.