The Mirrar, traditional  owners of Koongarra, have won their battle for the modification of borders to their uranium-rich territory and this will now be included within the boundaries of the existing Kakadu National Park World Heritage Area. Nonetheless plans by Rio Tinto to expand its huge Ranger uranium mine Рlying just outside Kakadu  Рis now threatening other Mirrar traditional owners in the region. Rio Tinto rejects Aboriginal poison water concerns.