[Tagging] surface=ground/dirt/earth

[Martin Koppenhoefer]

> Am 13/mar/2014 um 15:56 schrieb fly <lowflight66 at googlemail.com>:
> 
> Well, I would consider earth as earth where ground could be earth but
> does not have to be.


+1, both are probably an indication that the way is travelled frequently enough/compacted to some level that prevents vegetation (ok, this surely depends on the climate)

cheers,
Martin