Natural Earth, public domain. Retrieved 2026-10-15 from https://github.com/nvkelso/natural-earth-vector/tree/master/geojson Country boundaries: ne_50m_admin_0_boundary_lines_land. Regions: ne_10m_admin_1_states_provinces_lines. Oceans and seas: ne_10m_geography_marine_polys (scale rank <= 3). Simplified for this discovery atlas; polygon outlines converted to lines, coordinates rounded to four decimal places. Marine outlines are geographic divisions, not maritime jurisdiction claims. Disputed/indefinite country boundaries retain a separate flag. See https://www.naturalearthdata.com/about/terms-of-use/ Continent scopes: Natural Earth ne_110m_geography_regions_polys; continents, islands/island groups and geographic areas retained using REGION, coordinates rounded to three decimals. Retrieved 2026-10-15. Used for broad geographic context, not jurisdictions. Continent scope rings simplified with a 0.12 degree tolerance for contextual counts; not jurisdiction boundaries. Country/territory label anchors: Natural Earth ne_50m_admin_0_countries, NAME_EN and LABEL_X/Y, public domain. Retrieved 2026-10-18. Country labels and regional labels share collision avoidance.