- Extends from New Jersey to Texas
- Gently sloping plain with low relief
- Consists of unconsolidated sediments, mostly sand, clay, and silt
- Formed by the deposition of sediments by ancient rivers and glaciers
- Contains numerous estuaries, bays, and barrier islands
- Characterized by a humid subtropical climate with hot summers and mild winters
- Supports a variety of vegetation, including forests, wetlands, and grasslands
- Home to major cities such as New York City, Philadelphia, Baltimore, and Washington, D.C.
Southern Coastal Plain:
- Extends from North Carolina to Florida and along the Gulf Coast to Texas
- More irregular topography with rolling hills and bluffs
- Consists of a variety of sediments, including sand, clay, limestone, and dolomite
- Formed by the deposition of sediments by ancient rivers and the weathering of underlying rock
- Contains numerous salt domes and salt marshes
- Characterized by a humid subtropical climate with hot, humid summers and mild winters
- Supports a variety of vegetation, including forests, wetlands, and grasslands
- Home to major cities such as Atlanta, Savannah, Miami, and Houston