University of Illinois Urbana-Champaign

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Showing 4471–4500 of 4,706 items
Thumbnail for Illinois research. [vol.6-vol.10]
Illinois research. [vol.6-vol.10]
Submitter: Howard Ding

Thumbnail for Off-line. 17-18:1,3
Off-line. 17-18:1,3
Submitter: Howard Ding

Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry