World Coastlines, 1:50 million (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 coastline achieved by automated and manual techniques. Coastline is matched to land and water polygons. The ocean coastline, the foundation for building all of the Natural Earth Vectors, primarily derives from the United States Central Intelligence Agency's World Data Bank 2 with modest generalization applied via line simplification in Adobe Illustrator. The Antarctica coast derives from NASA's Mosaic of Antarctica. World Data Bank 2 coastlines have suspect accuracy for certain parts of the world, including northern Russia, southern Chile and the west coast of the United States extending to the Baja Peninsula, Mexico, where the coast was approximately 7 km. east of where it should be. The west coast of the United States was corrected on the Natural Earth Vectors; other areas were not. Does not include rank 6, 7, or 8 coastlines from the minor islands. Some rank 5 coastline should be reclassified as rank 6.These data are represented at 1:50,000,000 scale. This layer is part of the Natural Earth Collection (v.2.0.0).Natural Earth is a public domain map dataset available at 1:10, 1:50 and 1:110 million scales. Featuring tightly integrated vector and raster data, with Natural Earth you can make a variety of visually pleasing, well-crafted maps with cartography or GIS software.
- North American Cartographic Information Society
- Earth (Planet)
- Shorelines, Coasts, and Oceans
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- Use and reproduction
- This item is in the public domain. There are no restrictions on use.
- This work is in the Public Domain, meaning that it is not subject to copyright.
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