This polyline shapefile depicts land and offshore boundary water indicators, including a partial selection of key 200-mile nautical limits. Limited attributes of type of boundary: disputed, treaty, and median lines, These data are represented at 1:10,000,000 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. Kelso, N.V. and Patterson, T. (2012). World Maritime Indicators, 1:10 million (2012). Made with Natural Earth, online at http://www.naturalearthdata.com. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.