University of Illinois Urbana-Champaign

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Showing 4501–4530 of 9,025 items
Thumbnail for Classification of the Pennsylvanian strata of Illinois
Classification of the Pennsylvanian strata of Illinois
Kosanke, Robert M.; Simon, J.A.; Wanless, H.R.; Willman, H.B.

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.