University of Illinois Urbana-Champaign

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Showing 3031–3060 of 3,627 items
Thumbnail for Geology and geography of the Galena and Elizabeth Quadrangles.
Geology and geography of the Galena and Elizabeth Quadrangles.
Trowbridge, Arthur C.; Shaw, Eugene Wesley; Schockel, Bernard Henry

Thumbnail for Algebraic Structure in Geometry
Algebraic Structure in Geometry
Gallant, Charles Daniel

Thumbnail for Characterization of the Study Areas for the Pilot Study: Agricultural Chemicals  in Rural, Private Wells in Illinois
Characterization of the Study Areas for the Pilot Study: Agricultural Chemicals in Rural, Private Wells in Illinois
Mehnert, Edward; Barnhardt, Michael L.; Ray, Chittaranjan; Greenpool, Mary R.; Dey, William S.; Vaisanen, U.; Kempton, J.P.; Curry, B. Brandon

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