These are the competing Belinda , Edina , and Grundy series. Belinda soils are in a biosequence having formed under mixed trees and grass. They are on similar landscape positions. Edina soils are in small depressions. Grundy soils are in a drainage sequence with the Haig soils and are on more sloping areas.
Surface runoff is very slow.
Permeability is slow or very slow. Most areas are used for cultivated crops. Corn, soybeans, small grains, and hay are grown. Native vegetation was tall prairie grasses. This series is of large extent.