Permeability is moderate. Most areas on slopes less than 18 percent are cleared and used for cultivated crops. Corn, small grains, and mixed hay are principal crops. Some areas are pastured. Orchards are common, especially in areas within a few miles of Lake Erie.
Many areas are in nonagricultural uses.
Native vegetation is hardwood forest, dominantly oak and hickory with lesser amounts of hard maple and ash. MLRA's 139 and 140. The series is of large extent with slightly more than 100,000 acres. Huron County, Ohio, 1951.