University of Illinois Urbana-Champaign

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Showing 841–870 of 906 items
Thumbnail for Upper Sangamon River area assessment
Upper Sangamon River area assessment
Submitter: Steven Mccauley

Thumbnail for Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves

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

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

Thumbnail for Catalog of Devonian and deeper tests in southern Illinois
Catalog of Devonian and deeper tests in southern Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

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