NaturalEarth/physical
   ne_10m_minor_islands_coastline
   ne_10m_geographic_lines
   ne_10m_geography_regions_points
   ne_10m_graticules
   bathymetry
   ne_10m_coastline
   ne_10m_rivers_europe
   ne_10m_playas
   ne_10m_reefs
   ne_10m_land_ocean_seams
   ne_10m_rivers_lake_centerlines_scale_rank
   ne_10m_minor_islands
   ne_10m_land_scale_rank
   ne_10m_lakes_europe
   ne_10m_glaciated_areas
   ne_10m_land
   ne_10m_geography_regions_polys
   ne_10m_land_ocean_label_points
   ne_10m_geography_marine_polys
   ne_10m_geography_regions_elevation_points
   ne_10m_lakes
   ne_10m_ocean
   ne_10m_lakes_north_america
   ne_10m_rivers_lake_centerlines
   ne_10m_lakes_historic
   ne_10m_wgs84_bounding_box
   ne_10m_lakes_pluvial
   ne_10m_rivers_north_america
   ne_10m_minor_islands_label_points
   ne_10m_ocean_scale_rank
   ne_10m_antarctic_ice_shelves_polys