Figure 2-9 - Tonnage Handled by Major Water Ports: 1997

NOTE: Major ports were defined as having one port with over 10 million tons shipped in 1997, and were combined with other ports in the same major waterway or located in the same metropolitan statistical area with at least 1 million tons shipped.

SOURCE: U.S. Army Corps of Engineers, Water Resources Support Center, Navigation Data Center, Alexandria, VA.