How are landform, like dells, formed?
Landforms were formed by tectonic activity and glaciers.
Check this site about the Wisconsin Dells.
http://www.answers.com/topic/dells-of-the-wisconsin-river#Description_and_formation
Check this site about the Wisconsin Dells.
http://www.answers.com/topic/dells-of-the-wisconsin-river#Description_and_formation