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
First State National Historical Park Creek State Park, and the Brandywine Valley National Scenic Byway runs through it. Beaver Valley is owned by the National Park Service. It is approximately 12 miles north of the park headquarters in New Castle. Beaver Valley is the largest component of First State National Historical Park, comprising 1,100 acres (220 of which extend into southeastern Pennsylvania). It is open for recreational activities such as hiking, horseback riding, biking, and kayaking. Located in Wilmington, Fort Christina is an enclosed park that preserves the original landing site, known as "The Rocks," of the colonists who established New Sweden in 1638, the