Andrew, Is this what you are talking about?
http://wiki.openstreetmap.org/wiki/Proposed_features/basin%3Dinfiltration http://lists.openstreetmap.org/pipermail/talk/2009-February/034383.html Stephen On 17 May 2010 14:15, Andrew Gregory <[email protected]> wrote: > I'd like to thank everyone who replied. While there were some suggestions, > it seems nobody else is worrying about these, so I guess with no > established convention I'll go with waterway=drain;area=yes. > waterway=drain because I've seen many of these sites with signs marked > "drainage area". area=yes is required because the wiki page for drain: > > http://wiki.openstreetmap.org/wiki/Tag:waterway%3Ddrain > > only lists way elements for it. > > John mentioned surface=grass. I've never seen one of these with grass. > More like surface=ground/dirt/sand/gravel/compacted. > > -- > Andrew Gregory <mailto:[email protected]> > <http://www.scss.com.au/family/andrew/> > > _______________________________________________ > Talk-au mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-au > _______________________________________________ Talk-au mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-au

