|Commodity||Short tons||Percent of total|
|Coal, lignite, and coal coke||28,732,946||27.1|
|Sand, gravel, shells, clay, salt, and slag||8,438,944||8.0|
|Primary metal products||5,637,564||5.3|
|Chemicals excluding fertilizers||2,885,222||2.7|
|Primary nonmetal products||2,024,384||1.9|
|Food and food products||1,370,805||1.3|
|Non-ferrous ores and scrap||257,085||0.2|
|Iron ore, iron, and steel waste and scrap||213,873||0.2|
|Lumber, logs, wood chips, and pulp||186,188||0.2|
|Unknown and not elsewhere classified products2||12,070,393||11.4|
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.