Horse Valley Ranch - Credit: Wikimedia Commons
The Horse Valley Ranch, near Littlefield, Arizona, which has also been known as Waring Ranch, dates from 1916. A area of the ranch was listed on the National Register of Historic Places in 1984. The listing included two contributing buildings, two other contributing structures, and a contributing site. and The ranch was acquired by the National Park Service in 1967-1968 and is now part of Grand Canyon–Parashant National Monument.http://npshistory.com/publications/para/horse-valley-ranch.pdf Read more on Wikipedia
Source: en.wikipedia.org