On Fri, Jan 28, 2011 at 10:06 AM, Anthony <osm at inbox.org> wrote: > I don't see any legal argument on that page. Perhaps you got the link > wrong and you meant http://www.systemed.net/blog/?p=100 ? In case it was TLDR: "Case law firmly establishes that tracing from aerial photography is not an infringement of any copyright in that imagery."