|Commodity||Short tons||Percent of total|
|Food and food products||2,017,875||13.8|
|Lumber, logs, wood chips, and pulp||1,580,990||10.8|
|Chemicals excluding fertilizers||754,071||5.2|
|Iron ore, iron, and steel waste and scrap||71,852||0.5|
|Sand, gravel, shells, clay, salt, and slag||61,147||0.4|
|Primary metal products||28,506||0.2|
|Unknown and not elsewhere classified products2||1,159,764||7.9|
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.