University of Illinois Urbana-Champaign

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Showing 901–930 of 1,104 items
Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Farm news for weeklies. 1955
Farm news for weeklies. 1955
Submitter: Howard Ding

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for The Summary of Engineering Research 2003
The Summary of Engineering Research 2003
University of Illinois at Urbana-Champaign. College of Engineering

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.