University of Illinois Urbana-Champaign

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Showing 3121–3150 of 12,963 items
Thumbnail for Petroleum industry in Illinois, 1966
Petroleum industry in Illinois, 1966
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Properties of chert related to its reactivity in an alkaline environment
Properties of chert related to its reactivity in an alkaline environment
Fraser, Gordon S.; Harvey, Richard David; Heigold, Paul C.