On Mon, 17 Dec 2018 14:31:14 +0200 Tomas Straupis <tomasstrau...@gmail.com> wrote:
> 2018-12-17, pr, 11:00 Martin Koppenhoefer rašė: > > for admin boundaries there will often be at least 2 "true" document > > sources: one for each party / side. They are also often observable, > > at least punctually. > > I wonder, of those saying that it is a peace of cake to map country > boundaries by physically observing different things on the ground, how > many of them have actually practically MAPPED at least a tiny bit of > country borders (say 50km?). If so, maybe they can come forward and > tell everybody where exactly and how exactly they did that. The US-Canada border was already well-mapped by the time I got here, but somehow, I doubt I'd have any trouble mapping it from aerial imagery: https://upload.wikimedia.org/wikipedia/commons/a/aa/US-Canada_border_at_Crawford_State_Park_20130629.jpg -- Mark _______________________________________________ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk