4 ms·

For the curious, here's a map of major watersheds in North America. https://www.usgs.gov/media/images/watershed-map-north-america https://www.usgs.gov/media/ima

• mudita 5y ago
  ... and another map for Europe: https://commons.wikimedia.org/wiki/File:Europ%C3%A4ische_Wasserscheiden.png#/media/File:Europäische_Wasserscheiden.png https://commons.wikimedia.org/wiki/File:Europ%C3%A4ische_Was...