University of Illinois Urbana-Champaign

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Showing 3031–3060 of 4,158 items
Thumbnail for Analysis and planning for Precipitation Augmentation for Crops Experiment: final report
Analysis and planning for Precipitation Augmentation for Crops Experiment: final report
Changnon, Stanley Alcide; Czys, Robert R.; Hollinger, Steven E.; Huff, Floyd A.; Kunkel, Kenneth E.; Petersen, Mary Schoen; Scott, Robert W.; Staggs, Donald W.; Westcott, Nancy E.

Thumbnail for Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1970. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.