Lake Mungo find more evidence for the "out of Africa" theory. The rich archaeological heritage of the site is very significant to the Aboriginal Australian people from the area. The Willandra region is inhabited by the Barkindji, Nyiampaa and Mutthi Mutthi peoples, who have now entered Joint Management Agreements with the Government of New South Wales to manage the lake and the Mungo National Park. In 1972, Archaeomagnetic studies were conducted on the prehistoric aboriginal fireplaces occurring along the ancient shoreline of Lake Mungo. Magnetization preserved in oven-stones and baked hearths show that the axial dipole field moved up to 120 degrees
Witjira National Park April 2013 under the name 'Witjira'. The historic Dalhousie Homestead Ruins, from the former Dalhousie Station, lie within the national park and are listed on the South Australian Heritage Register. The national park is classified as an IUCN Category VI protected area. It was listed on the now-defunct Register of the National Estate during or after 1998. Witjira National Park Witjira National Park is a protected area in the Australian state of South Australia about north of the state capital of Adelaide. The national park was proclaimed on 21 November 1985 to "protect Australia’s largest array of arterial springs: the