Definition von walnut canyon national monument im Englisch Englisch wörterbuch
National monument, north-central Arizona, U.S. Established in 1915 and covering an area of 3 sq mi (8 sq km), it preserves more than 300 pre-Columbian dwellings built by the Pueblo Indians in shallow caves on the canyon walls. Main occupancy was from AD 1000 to 1200