University of Illinois Urbana-Champaign

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Showing 2491–2520 of 12,484 items
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 Public groundwater supplies in Pike county
Public groundwater supplies in Pike county
Woller, Dorothy M.; Kunz, Karen L.; Sanderson, Ellis W.

Thumbnail for Sand and gravel resources of Mason County, Illinois
Sand and gravel resources of Mason County, Illinois
Labotka, Theodore C.; Hester, Norman C.

Thumbnail for Glacial drift in Illinois : thickness and character
Glacial drift in Illinois : thickness and character
Piskin, Kemal; Bergstrom, Robert E.