Figure 11-13 - Age of U.S. Flag Vessels by Type: 2001
Figure 11-13 - Age of U.S. Flag Vessels by Type: 2001
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NOTES: Support includes offshore support and crewboats. Liquid barge includes tank barges.
SOURCES: USDOT, BTS, National Transportation Statistics 2002, table 1-31 revised, available at http://www.bts.gov/, as of January 2004.