University of Illinois Urbana-Champaign

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Showing 5041–5070 of 7,435 items
Thumbnail for Chicago River/Lake Shore area assessment
Chicago River/Lake Shore area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Water flooding of oil sands in Illinois
Water flooding of oil sands in Illinois
Squires, Frederick; Bell, Alfred Hannam

Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman