|Commodity||Short tons||Percent of total|
|Sand, gravel, shells, clay, salt, and slag||3,090,214||30.0|
|Coal, lignite, and coal coke||1,263,973||12.3|
|Primary nonmetal products||681,445||6.6|
|Chemicals excluding fertilizers||201,191||2.0|
|Food and food products||190,796||1.9|
|Primary metal products||184,783||1.8|
|Non-ferrous ores and scrap||10,000||0.1|
|Lumber, logs, wood chips, and pulp||7,663||0.1|
|Unknown and not elsewhere classified products2||3,484,671||33.8|
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.