[Tagging] Coastal beach definition for mapping.

[Malcolm Herring]

On 04/04/2018 12:40, Eugene Alvin Villar wrote:
> It seems some mappers go to the extreme opposite and map the coastline 
> across the mouth of an estuary that is clearly part of the ocean:
> 
> <https://www.openstreetmap.org/way/186710973>

Many ocean/river boundaries are not arbitrary, but reflect official 
boundaries where a coastal authority's water ends and a river 
authority's water begins.