You searched for: Format Shapefile Remove constraint Format: Shapefile Subject Transportation Remove constraint Subject: Transportation Subject Shipping Remove constraint Subject: Shipping Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Place Puerto Rico Remove constraint Place: Puerto Rico Place United States Virgin Islands Remove constraint Place: United States Virgin Islands Data type Line Remove constraint Data type: Line Year 2011 Remove constraint Year: 2011
2011. Vanderbilt Engineering Center for Transportation Operations and Research, Waterborne Commerce Statistics Center (U.S.), and United States. Bureau of Transportation Statistics. The National Waterway Network is comprised of a link database and a node database. Links are line strings, which consist of beginning and end point... United States. Bureau of Transportation Statistics.