University of Illinois Urbana-Champaign

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Showing 1831–1860 of 2,577 items
Thumbnail for Thorn Creek area assessment
Thorn Creek area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Vermilion River (Illinois River Basin) area assessment
Vermilion River (Illinois River Basin) area assessment
Illinois Deptartment of Natural Resources

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

Thumbnail for Annual register. 1918-19
Annual register. 1918-19
University of Illinois at Urbana-Champaign

Thumbnail for Wetland resources of Illinois : an analysis and atlas
Wetland resources of Illinois : an analysis and atlas
Suloway, Liane B.; Hubbell, Marvin E.

Thumbnail for Annual register. 1919-20
Annual register. 1919-20
University of Illinois at Urbana-Champaign