|Commodity||Short tons||Percent of total|
|Sand, gravel, shells, clay, salt, and slag||4,010,079||10.4|
|Chemicals excluding fertilizers||939,037||2.4|
|Food and food products||534,454||1.4|
|Lumber, logs, wood chips, and pulp||515,184||1.3|
|Iron ore, iron, and steel waste and scrap||204,611||0.5|
|Primary metal products||198,782||0.5|
|Primary nonmetal products||171,263||0.4|
|Non-ferrous ores and scrap||23,244||<0.1|
|Coal, lignite, and coal coke||20,153||<0.1|
|Unknown and not elsewhere classified products2||5,398,797||14.0|
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.wrsc.usace.army.mil/ndc/datapdom.htm as of Oct. 30, 2001.