|Commodity||Short tons||Percent of total|
|Lumber, logs, wood chips, and pulp||1,601,977||23.0|
|Primary non-metal products||474,258||6.8|
|Food and food products||466,977||6.7|
|Sand, gravel, shells, clay, salt, and slag||266,391||3.8|
|Primary metal products||91,396||1.3|
|Chemicals excluding fertilizers||56,264||0.8|
|Unknown and not elsewhere classified products2||937,433||13.5|
1Domestic includes intrastate shipments.
2To 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.