You searched for: Format Shapefile Remove constraint Format: Shapefile Subject Location Remove constraint Subject: Location Subject Coasts Remove constraint Subject: Coasts Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Place Guam Remove constraint Place: Guam
2012. United States. Bureau of Transportation Statistics and Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile depicts physical information on commercial facilities at the principal United States coastal, Great Lakes and inland ports. Th... United States. Bureau of Transportation Statistics.