University of Illinois Urbana-Champaign

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Showing 31–60 of 1,950 items
Thumbnail for Isotopic studies in the natural sources of radium in groundwater in Illinois
Isotopic studies in the natural sources of radium in groundwater in Illinois
Gilekson, Robert H.; Perry, Eugene C., Jr.; Cowart, James B.; Holtzman, Richard B.

Thumbnail for Hydrogeolic and geochemical studies of selected natural radioisotioes and barium in groundwater in Illinois
Hydrogeolic and geochemical studies of selected natural radioisotioes and barium in groundwater in Illinois
Gilkeson, Robert H.; Cartwright, Keros; Cowart, James B.; Holtzman, Richard B.