|Commodity||Short tons||Percent of total|
|Chemicals excluding fertilizers||1,721,187||10.8|
|Primary nonmetal products||1,621,457||10.2|
|Iron ore, iron, and steel waste and scrap||1,465,085||9.2|
|Primary metal products||1,429,890||9.0|
|Sand, gravel, shells, clay, salt, and slag||982,395||6.2|
|Food and food products||765,507||4.8|
|Nonferrous ores and scrap||589,795||3.7|
|Lumber, logs, wood chips, and pulp||474,381||3.0|
|Coal, lignite, and coal coke||76,224||0.5|
|Unknown and not elsewhere classified products2||3,248,029||20.4|
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.