University of Illinois Urbana-Champaign

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Showing 1051–1080 of 16,609 items
Thumbnail for Status of Endangered and Threatened Sand Area Species of the Illinois Flora
Status of Endangered and Threatened Sand Area Species of the Illinois Flora
Phillippe, Loy R.; Molano-Flores, Brenda; Murphy, Michael J.C.; Marcum, Paul B.; Ebinger, John E.

Thumbnail for Ground-water geology of selected wetlands in Union and Alexander Counties, Illinois
Ground-water geology of selected wetlands in Union and Alexander Counties, Illinois
McKay, E. Donald, III; Elzeftawy, Atef; Cartwright, Keros

Thumbnail for Groundwater geology of the East St. Louis area, Illinois,
Groundwater geology of the East St. Louis area, Illinois,
Bergstrom, Robert Edward; Walker, Theodore R.

Thumbnail for Sugar-Pecatonica area assessment
Sugar-Pecatonica area assessment
Submitter: Steven Mccauley

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