University of Illinois Urbana-Champaign

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Showing 2851–2880 of 14,727 items
Thumbnail for The mica in argillaceous sediments
The mica in argillaceous sediments
Grim, Ralph E.; Bray, Roger Hammond; Bradley, William Frank

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