University of Illinois Urbana-Champaign

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Showing 6031–6060 of 7,253 items
Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Directory of Illinois mineral producers 1974
Directory of Illinois mineral producers 1974
Malhotra, Ramesh; Smith, Portia Allyn

Thumbnail for Hydrogeology and Ground-Water Availability in Southwest McLean and Southeast Tazewell Counties Part 2: Aquifer Modeling and Final Report
Hydrogeology and Ground-Water Availability in Southwest McLean and Southeast Tazewell Counties Part 2: Aquifer Modeling and Final Report
Wilson, Steven D.; Roadcap, George S.; Herzog, Beverly L.; Larson, David R.; Winstanley, Derek