University of Illinois Urbana-Champaign

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Showing 121–150 of 19,922 items
Thumbnail for Groundwater in the Peoria region.
Groundwater in the Peoria region.
Horberg, Leland; Suter, Max; Larson, T.E.

Thumbnail for Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Proceedings of the Illinois Basin Energy and Mineral Resources Workshop, September 12-13, 1994, Evansville, Indiana
Illinois Basin Energy and Mineral Resources Workshop (1994 : Evansville, Ind.); Ridgley, Jennie L.

Thumbnail for Ottawa geological science field trip
Ottawa geological science field trip
Reinertsen, David L.; Smith, Lisa R.

Thumbnail for ORER letter. 1-6
ORER letter. 1-6
Submitter: Howard Ding

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Geology for planning in Boone and Winnebago Counties
Geology for planning in Boone and Winnebago Counties
Berg, Richard C.; Kempton, John Paul; Stecyk, Amy N.; Goodwin, Jonathan H.; Glockner, Mary