University of Illinois Urbana-Champaign

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Showing 1051–1080 of 2,980 items
Thumbnail for Groundwater geology of DeWitt, Piatt, and northern Macon Counties, Illinois
Groundwater geology of DeWitt, Piatt, and northern Macon Counties, Illinois
Larson, David R.; Herzog, Beverly L.; Larson, Timothy H.

Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division