Steamboats and snag boats
Arkansas is becoming one of the nation's logistics and distribution hubs. Along with its highways, airports and railroads, economic development officials across the state tout the ability to transport goods on the McClellan-Kerr Arkansas River Navigation System. At the time the system was dedicated by President Richard M. Nixon in 1971, it was the most expensive project in the history of the U.S. Army Corps of Engineers.
Source: arkansasonline.com