Low, flat region from NJ to GA; formed by Appalachian erosion and river sediment. Bays, estuaries, sounds. Crops: tobacco, cotton, rice.
Newfoundland to Alabama; collision of tectonic plates. High peaks (Mt. Mitchell 6,684 ft). Forests: oak, hickory, maple.
Rolling hills/valleys between mountains and coastal plain. Rich in gold, silver, iron ore.