University of Illinois Urbana-Champaign

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Showing 9361–9390 of 24,208 items
Thumbnail for Front Matter
Front Matter
Submitter: Howard Ding

Thumbnail for Application of Nitrogen and Oxygen Isotopes to Identify Sources of Nitrate, 2001
Application of Nitrogen and Oxygen Isotopes to Identify Sources of Nitrate, 2001
Roadcap, George S.; Hackley, Keith C.; Hwang, Hue-Hwa; Johnson, Thomas M.

Thumbnail for Groundwater Availability in Northeastern Illinois from Deep Sandstone Aquifers
Groundwater Availability in Northeastern Illinois from Deep Sandstone Aquifers
Mannix, Devin H.; Abrams, Daniel B.; Hadley, Daniel R.; Roadcap, George S.; Kelly, Walton R.