Top 25 Water Ports by Tonnage: 2009 Map
![U.S. map showing that most tonnage through ports is concentrated along the Gulf Coast](images/lo_res_jpg/top25wptonnage2009.jpg)
High-Resolution Images
Source
U.S. Army Corps of Engineers, 2009 Waterborne Commerce of the United States, Part 5, National Summaries (New Orleans, Louisiana: 2010). table 5-2, available at www.ndc.iwr.usace.army.mil/wcsc/wcsc.htm as of August 20, 2011
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