|Commodity||Short tons||Percent of total|
|Sand, gravel, shells, clay, salt, and slag||7,501,593||9.1|
|Chemicals excluding fertilizers||2,233,068||2.7|
|Primary nonmetal products||2,150,851||2.6|
|Food and food products||2,131,051||2.6|
|Coal, lignite, and coal coke||810,016||1.0|
|Primary metal products||479,189||0.6|
|Lumber, logs, wood chips, and pulp||142,907||0.2|
|Non-ferrous ores and scrap||84,086||0.1|
|Iron ore, iron, and steel waste and scrap||39,118||<0.1|
|Unknown and not elsewhere classified products2||4,836,346||5.9|
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.