University of Illinois Urbana-Champaign

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Showing 361–390 of 20,514 items
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 Groundwater in the Peoria region.
Groundwater in the Peoria region.
Horberg, Leland; Suter, Max; Larson, T.E.

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

Thumbnail for Guidebook for the sixteenth annual field conference of the Tri-State Geological Society / Illinois State Geological Survey guidebook series, vol. 2
Guidebook for the sixteenth annual field conference of the Tri-State Geological Society / Illinois State Geological Survey guidebook series, vol. 2
Tri-State Geological Society Field Conference (16th : 1952 : Dixon, Ill.); Templeton, J.S.; Willman, Harold Bowen

Thumbnail for Early Ordovician strata along Fox River in northern Illinois
Early Ordovician strata along Fox River in northern Illinois
Willman, Harold Bowen; Payne, James Norman

Thumbnail for Groundwater in northwestern Illinois
Groundwater in northwestern Illinois
Hackett, James Edward; Bergstrom, Robert Edward

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.