Contents
We will use Natural Earth data for our base maps.
Political borders
Admin 0 – Countries for country polygonsAdmin 0 – Breakaway, Disputed Areas for disputed bordersAdmin 1 – States, Provinces for sub-national divisionsPhysical geographic features
Ocean for ocean polygons split into contiguous piecesLakes + Reservoirs ****for Natural and artificial lakesRivers + lake centerlines for rivers