University of Illinois Urbana-Champaign

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Showing 3481–3510 of 3,913 items
Thumbnail for Fox River area assessment
Fox River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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.

Thumbnail for Farm news for weeklies. 1960-61
Farm news for weeklies. 1960-61
Submitter: Howard Ding