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