University of Illinois Urbana-Champaign

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Showing 601–630 of 1,120 items
Thumbnail for Illinois clays and shales as mortar mix,
Illinois clays and shales as mortar mix,
Hursh, Ralph Kent; Lamar, John Everts; Grim, Ralph E.

Thumbnail for Fluorspar in Illinois
Fluorspar in Illinois
Bradbury, James C.; Major, Robert L.; Finger, G.C.

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