This file is in the public domain because this map was modified by Mårten Berglund, based on a UN map. UN Department of Peacekeeping Operations, Cartographic Section, says the following via e-mail, 2007-02-19: "The UN maps is an open source material and you can use them in your work or for making your own maps, by making modifications to our maps. We request however that if you modify our map in any way you should delete the UN name and reference number from the map. The content of the new map will be your responsibility. You can state in your publication if you wish something like: 'based on UN map ...'."