On Mon, 20 Jan 2020 at 13:52, Martin Koppenhoefer <dieterdre...@gmail.com> wrote:
I don't find the surface tag compelling for this, because around here, most > of them are below the surface (although not very deep). I would either see > them as erosing control features or maybe ground reenforcement? (in any > case these would be area properties and not features in OSM) > If they're sub-surface, a mapper won't see them on a survey or aerial imagery. The OP appeared to be talking specifically of surface features for preventing weeds and/or erosion control, not reinforcement. Visible, therefore mappable. Surface type, therefore surface=*. Sheets used to mechanically-stabilize earth are not only not visible, they go deep. See https://www.youtube.com/watch?v=0olpSN6_TCc for a fuller explanation. -- Paul
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