Area 51 the base extends further east. After leaving the restricted area, Groom Lake Road descends eastward to the floor of the Tikaboo Valley, passing the dirt-road entrances to several small ranches, before converging with State Route 375, the "Extraterrestrial Highway", south of Rachel. Area 51 shares a border with the Yucca Flat region of the Nevada Test Site, the location of 739 of the 928 nuclear tests conducted by the United States Department of Energy at NTS. The Yucca Mountain nuclear waste repository is southwest of Groom Lake. Groom Lake is a salt flat in Nevada used for runways of the
Kickapoo State Recreation Area was located at the junction of the Middle Fork and Salt Fork Rivers. The village was home to Kennekuk, a Native American known as the "Kickapoo Prophet," who brokered many treaties between the European settlers and Native Americans. Kennekuk was a proponent of a new form of Christianity that had elements of Roman Catholicism and Protestantism. The Native Americans lived in the area which is now Kickapoo State Park until sometime during the 16th century. Europeans were drawn to what is now the Kickapoo State Recreation Area with the discovery of salt springs in 1819. Most of the immigrants to