|Commodity||Short tons||Percent of total|
|Primary nonmetal products||208,490||2.0|
|Sand, gravel, shells, clay, salt, and slag||116,533||1.1|
|Iron ore, iron, and steel waste and scrap||105,865||1.0|
|Lumber, logs, wood chips, and pulp||55,269||0.5|
|Food and food products||33,079||0.3|
|Primary metal products||11,989||0.1|
|Chemicals excluding fertilizers||1,176||<0.1|
|Non-ferrous ores and scrap||541||<0.1|
|Unknown and not elsewhere classified products2||6,351,774||61.4|
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.