University of Illinois Urbana-Champaign

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Showing 9971–10000 of 13,023 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Thick Walled Multiple Opening Reinforced Concrete Conduits
Thick Walled Multiple Opening Reinforced Concrete Conduits
Ryan, M.O.; Salem, M.H.; Gamble, W.L.; Mohraz, Bijan