University of Illinois Urbana-Champaign

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Showing 7021–7050 of 7,233 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 Illinois classical studies. 19 (1994)
Illinois classical studies. 19 (1994)
Submitter: William Ingram

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

Thumbnail for Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley

Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley