University of Illinois Urbana-Champaign

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Showing 151–180 of 19,922 items
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 Bedrock aquifers of northeastern Illinois
Bedrock aquifers of northeastern Illinois
Hughes, George M.; Kraatz, Paul; Landon, Ronald A.

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 Preliminary Report  on Ground-Water Resources of  the Chicago Region, Illinois
Preliminary Report on Ground-Water Resources of the Chicago Region, Illinois
Suter, Max; Bergstrom, Robert Edward; Smith, H.F.; Emrich, Grover Harry; Walton, William Clarence; Larson, T.E.

Thumbnail for Soviet naval developments
Soviet naval developments
Michel, Christopher Prentiss

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