|Commodity||Short tons||Percent of total|
|Sand, gravel, shells, clay, salt, and slag||1,946,090||14.3|
|Chemicals excluding fertilizers||1,281,410||9.4|
|Primary metal products||1,139,364||8.4|
|Primary nonmetal products||898,230||6.6|
|Food and food products||769,869||5.7|
|Coal, lignite, and coal coke||496,907||3.7|
|Lumber, logs, wood chips, and pulp||259,283||1.9|
|Non-ferrous ores and scrap||179,848||1.3|
|Unknown and not elsewhere classified products2||1,036,939||7.6|
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.iwr.usace.army.mil/ as of Oct. 30, 2001.