|Commodity||Short tons||Percent of total|
|Chemicals excluding fertilizers||6,653,668||6.9|
|Primary nonmetal products||6,430,649||6.7|
|Sand, gravel, shells, clay, salt, and slag||6,217,751||6.4|
|Food and food products||2,745,036||2.8|
|Coal, lignite, and coal coke||1,598,263||1.7|
|Primary metal products||1,378,204||1.4|
|Lumber, logs, wood chips, and pulp||611,007||0.6|
|Nonferrous ores and scrap||37,850||<0.1|
|Iron ore, iron, and steel waste and scrap||9,106||<0.1|
|Unknown and not elsewhere classified products2||16,742,283||17.4|
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.