Seaports
A port is a location on a coast or shore containing one or more harbors where ships can dock and transfer people or cargo to or from land. Port locations are selected to optimize access to land and n...
Seaports - Wikipedia
Ports of the United States
The Ports of the United States handle more than 2 billion metric tons of domestic and import/export cargo annually. By 2020, the total volume of cargo shipped by water is expected to be double that o...