On 25 January 2016 at 15:31, Ian Sergeant <[email protected]> wrote: >> But the border has not changed the river might have but there is no change >> to the border from when it was first surveyed/gazetted. The border is the >> line as when gazetted, not as where the riverbank is now. > > I think you're wrong. The border has been defined by High Court > Judgement as including accretions and erosion. Including landslip > such as in the Ward case. > > Of course, where the river has fundamentally changed course, the > original course remains the boundary. But gradual erosion actually > changes the border.
Agreed, but this is only for natural features, not man made roads or rail ways. I think in these cases it makes sense to share the boundary (or better yet use a multiploygon relation where the river way is just a member of the protected area relation). _______________________________________________ Talk-au mailing list [email protected] https://lists.openstreetmap.org/listinfo/talk-au

