| Billions ton-miles | Million metric tons | Average haul-miles | |
|---|---|---|---|
| Coal and coke | 9.6 | 18.4 | 522 |
| Petroleum | 0.6 | 1.7 | 353 |
| Chemicals | 0.05 | 0.1 | 500 |
| Crude materials | 41 | 79.7 | 514 |
| Primary manufactured goods | 1.1 | 3.5 | 314 |
| Farm products | 0.3 | 0.3 | 1,037 |
| Total | 52.6 | 103.7 | 508 |
SOURCE: U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, Waterborne Commerce of the United States, calender year 2000, Part 5, National Summaries (Fort Belvoir, VA: February 2001)