The Dudley series consists of very deep, moderately well and somewhat poorly drained soils formed in glacial till on uplands.
Permeability is slow or very slow.
Slopes range from 0 to 6 percent. Mean annual air temperature is about 48 degrees F, and mean annual precipitation is about 20 inches. Dudley silt loam - with a slope of 1 percent in native grass. When described the soil was moist throughout. Depth to carbonates ranges from 16 to 35 inches.