University of Illinois Urbana-Champaign

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Showing 7981–8010 of 9,132 items
Thumbnail for Hydrogeologic and geochemical studies of selected natural radioisotopes and barium in groundwater in Illinois
Hydrogeologic and geochemical studies of selected natural radioisotopes and barium in groundwater in Illinois
Gilkeson, Robert H.; Cartwright, Keros; Cowart, James B.; Holtzman, Richard B.

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

Thumbnail for Potential surface water reservoirs of north-central Illinois
Potential surface water reservoirs of north-central Illinois
Dawes, Julius Henry; Terstriep, Michael Lee