University of Illinois Urbana-Champaign

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Showing 9001–9030 of 15,852 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 Field experiments with corn, 1890
Field experiments with corn, 1890
Morrow, George Espy; Burrill, Thomas Jonathan; McCluer, George Washington; Hunt, Thomas Forsyth