Table 2,,,
"Selected U.S. Vessels Available to Operate: By Region, as of December 31, 1999",,,
,,Mississippi,
,"Atlantic,",River System,Great 
,Gulf &,& Gulf Intracoastal ,Lakes
Vessel type,Pacific Coasts,Waterway,System
Self-propelled,,,
  Dry cargo,"1,314","1,376",220
  Tankers,135,3,4
Nonself-propelled (barges),,,
  Dry cargo,"3,095","26,031",257
  Tank barge,629,"3,324",20
"SOURCE: U.S. Army Corps of Engineers, Water Resources Support Center, Waterborne Transportation Lines of the United States, Calendar Year 1999, Volume 1–National Summaries (New Orleans, LA: Dec. 31, 2000).",,,