University of Illinois Urbana-Champaign

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Showing 571–600 of 1,428 items
Thumbnail for Annual newsletter / 1980-85
Annual newsletter / 1980-85
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Upper Des Plaines River area assessment
Upper Des Plaines River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division