Patterson, TomKelso, Nathaniel VaughnThis line shapefile depicts tropical circles, polar circles, the International Date Line and the equator as geographic lines. Same as 50 million geographic lines. 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.This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.Shapefilehttps://purl.stanford.edu/zp897wf7878engNorth American Cartographic Information SocietyPublicEquatorInternational Date LineTropicsPolar regionsBoundariesWorld Geographic Lines, 1:50 million (2012)DatasetsEarth (Planet)2012Stanford