University of Illinois Urbana-Champaign

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Showing 2581–2610 of 7,209 items
Thumbnail for Karst groundwater contaminants in western Illinois: comparison of current conditions with historical data
Karst groundwater contaminants in western Illinois: comparison of current conditions with historical data
Taylor, Steven J.; Kelly, Walton R.; Panno, Samuel V.; Weck, Robert; Zheng, W.; Zhang, Y.; Liu, W.-T.

Thumbnail for The Platteville and Galena groups in northern Illinois
The Platteville and Galena groups in northern Illinois
Willman, Harold Bowen; Kolata, Dennis R.