The Atterberry series consists of very deep, somewhat poorly drained soils formed in loess on uplands.
Permeability is moderate.
Slope ranges from 0 to 6 percent. Atterberry silt loam - nearly level in a cultivated field. The thickness of the solum ranges from 42 to 72 inches. The upper 20 inches of the argillic horizon averages between 25 and 35 percent clay. It is moderately acid to neutral.