University of Illinois Urbana-Champaign

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Showing 511–540 of 19,922 items
Thumbnail for Assessment of Public Groundwater Supplies in Illinois
Assessment of Public Groundwater Supplies in Illinois
Visocky, Adrian P.; Wehrman, H. Allen; Kim, Keu W.; Ringler, Robert W.

Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Public groundwater supplies in Kendall county
Public groundwater supplies in Kendall county
Woller, Dorothy M.; Gibb, James P.