|Commodity||Short tons||Percent of total|
|Sand, gravel, shells, clay, salt, and slag||346,121||1.1|
|Primary nonmetal products||146,483||0.5|
|Chemicals excluding fertilizers||77,461||0.2|
|Coal, lignite, and coal coke||41,558||0.1|
|Lumber, logs, wood chips, and pulp||20,043||<0.1|
|Food and food products||10,672||<0.1|
|Iron ore, iron, and steel waste and scrap||7,716||<0.1|
|Primary metal products||3,517||<0.1|
|Unknown and not elsewhere classified products2||1,362,878||4.3|
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.