[Tagging] Drain vs ditch

[Martin Koppenhoefer]

sent from a phone

> On 3. Feb 2019, at 02:12, Michael Patrick <geodesy99 at gmail.com> wrote:
> 
> and 'drain_open' or some such to distinguish it from subterranean drains ( despite being buried, these are actually sometime more visible than the ditches on aerial / sat photography ).


there is established tagging for buried man made waterways (tunnel=culvert and man_made=pipeline)

cheers,
Martin