|Commodity||Short tons||Percent of total|
|Coal, lignite, and coal coke||16,795,050||43.0|
|Sand, gravel, shells, clay, salt, and slag||15,403,064||39.5|
|Primary nonmetal products||2,667,206||6.8|
|Iron ore, iron, and steel waste and scrap||1,729,147||4.4|
|Primary metal products||851,402||2.2|
|Chemicals excluding fertilizers||143,922||0.4|
|Lumber, logs, wood chips, and pulp||123,634||0.3|
|Food and food products||11,000||<0.1|
|Unknown and not elsewhere classified products2||6,720,319||17.2|
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.