University of Illinois Urbana-Champaign

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Showing 181–210 of 18,693 items
Thumbnail for Macon County soils / 45
Macon County soils / 45
Smith, Raymond Stratton

Thumbnail for Evolution of a Peat-Contemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin
Evolution of a Peat-Contemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin
Nelson, W. John; Elrick, Scott D.; DiMichele, William A.; Ames, Philip R.

Thumbnail for Geology of the Waltersburg Quadrangle, Pope County, Illinois
Geology of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Oliver, Lynne B.; Esling, Steven P.

Thumbnail for 43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
43rd annual Tri-state Geological Field Conference, October 5-7, 1979 : Geology of Western Illinois
Tri-State Geological Field Conference (43rd : 1979 : Grafton, Ill.)

Thumbnail for Shelby County soils / 66
Shelby County soils / 66
Wascher, Herman L.; Smith, Louie Henrie; Smith, Guy D.

Thumbnail for Public groundwater supplies in Will county
Public groundwater supplies in Will county
Woller, Dorothy M.; Sanderson, Ellis W.

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for The fertility in Illinois Soils
The fertility in Illinois Soils
Hopkins, Cyril G.; Pettit, James Harvey

Thumbnail for Hydrogeology and Groundwater Availability in Southwest McLean and Southeast Tazewell Counties
Hydrogeology and Groundwater Availability in Southwest McLean and Southeast Tazewell Counties
Herzog, Beverly L.; Wilson, Steven D.; Larson, David R.; Smith, Edward C.; Larson, Timothy H.; Greenslate, Michael L.

Thumbnail for Silurian geology of the Des Plaines River Valley, northeastern Illinois
Silurian geology of the Des Plaines River Valley, northeastern Illinois
Mikulic, Donald G.; Sargent, Michael L.; Norby, Rodney D.; Kolata, Dennis R.