Southern Iowa Drift Plain Iowa Geological Survey - The

The Southern Iowa Drift Plain is certainly the largest of Iowa’s landform regions and it is the primary region travelers on Interstate 80 will see. Noted Iowa artist Grant Wood emphasized the steeply rolling character of this landscape in many of his stylized paintings, especially Young Corn and Fall Plowing.

Geography of Iowa - Wikipedia

Landforms of Iowa Iowa Geological Survey - The University of Iowa

Geography of Iowa - Wikiwand

Iowa Caves and Karst

Southern Iowa Drift Plain Iowa Geological Survey - The University of Iowa

Geography of Iowa

Iowan Surface Iowa Geological Survey - The University of Iowa

Southern Iowa Drift Plain Iowa Geological Survey - The University of Iowa

Iowa Caves and Karst