The Mississippi River may one day have feeder containerships picking up goods as far north as St Louis for shipment across the Atlantic Ocean on ultra-large vessels.
Port of Plaquemines, a landing south of New Orleans in Louisiana, plans to add a privately owned boxship terminal to turn the Mississippi into a highway for international trade.
The Mississippi runs 2,320 miles (3,730 km) from Minnesota in the north to Louisiana on the US Gulf.
