University of Illinois Urbana-Champaign

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Showing 7171–7200 of 8,826 items
Thumbnail for Investigation of warm-air furnaces and heating systems, part III
Investigation of warm-air furnaces and heating systems, part III
Willard, Arthur Cutts; Kratz, Alonzo Plumsted; Day, Vincent Stephen

Thumbnail for Special to farm advisers / 1953
Special to farm advisers / 1953
Submitter: Howard Ding

Thumbnail for Petroleum industry in Illinois, 1984. Oil and gas developments
Petroleum industry in Illinois, 1984. Oil and gas developments
Van Den Berg, Jacob; Treworgy, Janis D.; Elyn, Jaclyn Rendall

Thumbnail for Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Petroleum industry in Illinois, 1977. Part 1. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.