The Blocher series consists of very deep, moderately well drained soils on till plains. They formed in 16 to 36 inches of loess, loamy materials and the underlying paleosol in till.
Permeability is moderate above the paleosol and slow within the paleosol.
Slopes range from 6 to 18 percent. Blocher silt loam on a 9 percent slope in a hayfield. 38 degrees 48 minutes 37 seconds N. and long. 085 degrees 44 minutes 19 seconds W. NAD 27. The depth to the base of the argillic horizon is 50 to 80 inches.