University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,103 items
Thumbnail for Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Petroleum industry in Illinois, 1971. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Upper Rock River area assessment
Upper Rock River area assessment
Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey

Thumbnail for La Moine River area assessment
La Moine River area assessment
Submitter: Steven Mccauley

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

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