[Tagging] Ambiguous translations of waterway=dam - should be moved to man_made=dam

[Nelson A. de Oliveira]

On Thu, Apr 16, 2015 at 7:41 AM, Richard Z. <ricoz.osm at gmail.com> wrote:
> not all of the dams are man_made, beavers are busy builders.

I want to be the first one tagging a beaver_made=dam :-)