University of Illinois Urbana-Champaign

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Showing 7891–7920 of 8,075 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 Petroleum industry in Illinois, 1965.
Petroleum industry in Illinois, 1965.
Van Den Berg, Jacob; Lawry, T.F.; Mast, Richard F.

Thumbnail for Spoken words
Spoken words
Hall, William S.; Nagy, William E.; Linn, Robert L.