University of Illinois Urbana-Champaign

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Showing 421–450 of 3,055 items
Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources

Thumbnail for Assessment of a Regional Aquifer in Central Illinois
Assessment of a Regional Aquifer in Central Illinois
Burris, Charles B.; Morse, Walter J.; Naymik, Thomas G.

Thumbnail for Kishwaukee River area assessment
Kishwaukee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Illinois River Bluffs Area Assessment
Illinois River Bluffs Area Assessment
Illinois Department of Natural Resources

Thumbnail for Headwaters area assessment
Headwaters area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

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 Bedrock Geology of Oraville Quadrangle, Jackson County, Illinois
Bedrock Geology of Oraville Quadrangle, Jackson County, Illinois
Williams, Laura; Devera, Joseph A.; Staub, James R.

Thumbnail for Water Supply Planning: Middle Illinois Progress Report
Water Supply Planning: Middle Illinois Progress Report
Kelly, Walt; Abrams, Daniel; Knapp, Vern; Meyer, Scott; Zhang, Zhenxing; Dziegielewski, Benedykt; Hadley, Dan; Roadcap, George; Mannix, Devin; Lian, Yanqing