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
Lake Mungo remains the Three Traditional Tribal Groups (3TTG), consisting of the Paakantji, the Muthi Muthi, and the Ngiyampaa. LM1 had become a symbol of the long Aboriginal occupation in Australia, and an important icon for both archaeologists and indigenous Australians. LM1 is now in a locked vault at the Mungo National Park exhibition centre. The vault has a double lock and can be opened only if two keys are used. One key is controlled by archaeologists, the other by the local indigenous peoples. As of 2013, the management group for Mungo Lady and Mungo Man was dissolved, and while a new plan