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.
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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts ocean coastlines worldwide, including major islands. Coastline is matched to land and water polygons. The ocean coa... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts ocean coastlines worldwide, including major islands. Coastline is matched to land and water polygons. The ocean coa... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts ocean coastlines worldwide, including major islands. The 50m coastline is a generalized version of the 10m coastlin... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile depicts coastlines for minor islands that are 2 sq. km. or less in size. Additional small ocean islands are ranked to two l... North American Cartographic Information Society.