On Thu, Feb 26, 2015 at 11:22:10AM +0700, Dave Swarthout wrote: > The Trans-Alaska pipeline has many underground sections and these have no > layer tag. Why that is, I don't know. It also uses a key "type" to specify > what it carries. In this case type=oil
this would be a case where location=underground seems well established. Richard _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging