University of Illinois Urbana-Champaign

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Showing 1171–1200 of 1,787 items
Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Groundwater availability in Champaign County
Groundwater availability in Champaign County
Sanderson, Ellis W.; Zewde, Elias

Thumbnail for Illinois magazine. 11 (1920 - 1921)
Illinois magazine. 11 (1920 - 1921)
Submitter: William Ingram