The U.S. Waterway System: 2014 Transportation Facts and Information
The U.S. Army Corps of Engineers has released a report that provides data on commodities transported on U.S. waterways, and foreign and domestic tonnage that passes through the leading U.S. ports in 2014.
https://www.navigationdatacenter.us/factcard/factcard15.pdf
This Summary Last Modified On: 2/3/2016