University of Illinois Urbana-Champaign

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Showing 1081–1110 of 5,946 items
Thumbnail for Potential surface water reservoirs in South-Central Illinois
Potential surface water reservoirs in South-Central Illinois
Dawes, Julius Henry; Terstriep, Michael Lee

Thumbnail for Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Petroleum industry in Illinois, 1976. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.