These are the Bremer , Colo , Nevin , and Zook soils. The poorly drained Bremer soils are on nearly level or slightly concave landscape positions. The poorly drained Colo and poorly drained Zook soils are on flood plains. The somewhat poorly drained Nevin soils are on low stream terraces or second bottoms. Well drained or moderately well drained.
Surface runoff is medium.
Permeability is moderate. Soils are cultivated. Corn, soybeans, small grains, and hay are the principal crops. Native vegetation is tall prairie grass. Adams County, Iowa, 1960.