|Commodity||Short tons||Percent of total|
|Iron ore, iron, and steel waste and scrap||30,857,905||72.2|
|Food and food products||10,875,210||25.4|
|Non-ferrous ores and scrap||200,661||0.5|
|Sand, gravel, shells, clay, salt, and slag||169,815||0.4|
|Coal, lignite, and coal coke||31,659||0.1|
|Unknown and not elsewhere classified products2||4,114,185||9.6|
1 Domestic includes intrastate shipments.
2 To protect confidentiality, if three or more vessel operating companies do not carry a particular commodity from a state of origin to a state of destination, then that commodity is reclassified to "unknown and not elsewhere classified products."
SOURCE FOR DATA ON THIS PAGE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, State to State and Region to Region Commodity Tonnages, Public Domain database, available at http://www.wrsc.usace.army.mil/ndc/datapdom.htm as of Oct. 30, 2001.