The Hortonville series consists of very deep, well drained soils formed in calcareous loamy till on drumlins and ground moraines.
Permeability is slow or moderately slow.
Slopes range from 1 to 35 percent. Mean annual precipitation is about 30 inches. 44 degrees 17 minutes 37 seconds N., and long. Depth to the base of the argillic horizon and to free carbonates ranges from 24 to 40 inches. Some pedons have a silt loam mantle less than 10 inches thick.