This is shown clearly by the farming and shipping industries. Agriculture has been the dominant land use for nearly 200 years in the Mississippi Basin and has altered the hydrologic cycle and energy budget of the region. Many other countries rely on the crops and food produced in the U.S. Also, the Mississippi River is important as a trading route for the U.S. In measure of tonnage, the largest port district in the world is located along the Mississippi River Delta in Louisiana. The port of South Louisiana is one of the largest ports in the U.S. The Mississippi River Barge port system is important to national trade and gives us a wonderful trade route as well as a great source of