Can someone offer some tips on how to distinguish a quarry from a construction site? They seem to look pretty similar from the air - lots of dirt and vehicle tracks, sometimes piles of dirt.
Eg: http://www.nearmap.com/?ll=-37.946025,145.093174&z=16&t=h&nmd=20100416 (Note, I'm looking for general tips, not a determination on that single instance) Steve _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
