|Commodity||Short tons||Percent of total|
|Coal, lignite, and coal coke||27,593,972||46.0|
|Sand, gravel, shells, clay, salt, and slag||21,624,763||36.0|
|Food and food products||3,206,900||5.3|
|Unknown and not elsewhere classified products2||2,385,553||4.0|
|Primary nonmetal products||1,795,433||3.0|
|Chemicals excluding fertilizers||405,771||0.7|
|Primary metal products||390,372||0.7|
|Iron ore, iron, and steel waste and scrap||382,940||0.6|
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.