University of Illinois Urbana-Champaign

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Showing 4201–4230 of 4,947 items
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Additional Content
Submitter: Howard Ding

Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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.

Thumbnail for Studies of Impacts of Urban-related Weather and Climate Changes at Chicago and St. Louis
Studies of Impacts of Urban-related Weather and Climate Changes at Chicago and St. Louis
Changnon, Stanley A., Jr.; Gatz, Donald F.; Bertness, Jan E.; Sonka, Steven T.; Bartlett, Janyce D.; Hassett, John J.

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