University of Illinois Urbana-Champaign

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Showing 9971–10000 of 12,390 items
Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Groundwater Simulation Modeling and Potentiometric Surface Mapping, McHenry County, Illinois
Groundwater Simulation Modeling and Potentiometric Surface Mapping, McHenry County, Illinois
Meyer, Scott C.; Roadcap, George C.; Lin, Yu-Feng; Abrams, Daniel B.