Chaco Culture National Historical Park

Formerly �Chaco Canyon National Monument, � national historical park in northwestern New Mexico, U.S. It is situated 45 miles (72 km) south of Bloomfield. It was established in 1907 as a national monument and was redesignated and renamed in 1980. It occupies an area of 53 square miles (137 square km), which consists of a canyon dissected by the Chaco and Gallo washes. It contains 13 major pre-Columbian Indian ruins and more than 300 smaller archaeological