University of Illinois Urbana-Champaign

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Showing 6151–6180 of 9,025 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 Illinois birds, Wood warblers
Illinois birds, Wood warblers
Graber, Jean Weber; Kirk, Ethelyn L.; Graber, Richard Rex