|Commodity||Short tons||Percent of total|
|Food and food products||2,487,332||34.0|
|Sand, gravel, shells, clay, salt, and slag||2,373,773||32.4|
|Primary metal products||291,571||4.0|
|Lumber, logs, wood chips, and pulp||81,507||1.1|
|Iron ore, iron, and steel waste and scrap||49,128||0.7|
|Non-ferrous ores and scrap||19,423||0.3|
|Unknown and not elsewhere classified products2||1,754,202||24.0|
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.