University of Illinois Urbana-Champaign

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Showing 2401–2430 of 2,550 items
Thumbnail for Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Illinois farm flash / 1944
Illinois farm flash / 1944
United States. Deptartment of Agriculture

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 Illinois Technograph v. 038 (1925-1926)
Illinois Technograph v. 038 (1925-1926)
Submitter: Timothy Donohue

Thumbnail for Technograph. 42-44 (1929 - 1930)
Technograph. 42-44 (1929 - 1930)
Submitter: William Ingram

Thumbnail for Announcement / 1944-57
Announcement / 1944-57
Submitter: Howard Ding