University of Illinois Urbana-Champaign

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Showing 7891–7920 of 17,311 items
Thumbnail for Geologic studies to identify the source for high levels of radium and barium in Illinois ground-water supplies: a preliminary report
Geologic studies to identify the source for high levels of radium and barium in Illinois ground-water supplies: a preliminary report
Gilkeson, Robert H.; Specht, Susan A.; Cartwright, Keros; Griffin, Robert Alfred; Larson, Thurston Eric

Thumbnail for Senior Travelers' Trip Chaining Behavior: Survey Results and Data Analysis
Senior Travelers' Trip Chaining Behavior: Survey Results and Data Analysis
Mohammadian, Kouros; Martina Frignani; Joshua Auld