> Which is why mapping this is not really within the scope of OSM - > natural underground waterflows are inherently non-verifiable.
Well, maybe I should let that down, then, or put the data in the description field; this way, I won't mess with the OSM data, but they'll be there if someone is interested. > You can and should map the surface phenomena related to the underground > water flow of course - ponors, dolines, karst springs and other stuff. In fact, I'm drafting a proposal on this, which is why I asked this, to know if I could put something consistent on this matter in the proposal. Regards.
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