University of Illinois Urbana-Champaign

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Showing 7591–7620 of 8,723 items
Thumbnail for Assessment of Public Groundwater Supplies in Illinois
Assessment of Public Groundwater Supplies in Illinois
Visocky, Adrian P.; Wehrman, H. Allen; Kim, Keu W.; Ringler, Robert W.

Thumbnail for Farm news for weeklies. 1951
Farm news for weeklies. 1951
Submitter: Howard Ding

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.