|Commodity||Short tons||Percent of total|
|Iron ore, iron, and steel waste and scrap||284,895||9.4|
|Primary metal products||154,012||5.1|
|Lumber, logs, wood chips, and pulp||83,857||2.8|
|Food and food products||35,364||1.2|
|Chemicals excluding fertilizers||11,130||0.4|
|Primary nonmetal products||8,970||0.3|
|Non-ferrous ores and scrap||372||<0.1|
|Sand, gravel, shells, clay, salt, and slag||279||<0.1|
|Unknown and not elsewhere classified products2||1,394,144||46.2|
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.iwr.usace.army.mil/ as of Oct. 30, 2001.