Aztec Ruins National Monument
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|Aztec Ruins National Monument|
|Location||San Juan County, New Mexico, U.S.|
|Area||318 acres (129 ha)|
|Created||January 24, 1923|
|Visitors||52,756 (in 2017)|
|Governing body||National Park Service|
|Website||Aztec Ruins National Monument|
|Part of||Chaco Culture National Historical Park|
|Type||U.S. historic district|
|Designated||October 18, 1966|
|Designated||May 21, 1971|
The Aztec Ruins National Monument in northwestern New Mexico, USA consists of preserved structures constructed by the Pueblo Indians nearly a thousand years ago. The national monument lies on the western bank of the Animas River in Aztec, New Mexico, about 12 miles (19 km) northeast of Farmington. Additional Puebloan structures can be found in Salmon Ruins and Heritage Park, about 9.5 miles (15.3 km) south. Archaeological evidence puts the construction of the ruins in the 12th and 13th centuries. The Puebloan-built ruins were dubbed the "Aztec Ruins" by 19th century American settlers who misattributed their construction to the Aztecs. 
The site was declared "Aztec Ruin National Monument" on January 24, 1923. "Ruin" was changed to "Ruins" after a boundary change, on July 2, 1928. As a historical property of the National Park Service, the monument was administratively listed on the National Register of Historic Places on October 15, 1966. The United Nations Educational, Scientific and Cultural Organization (UNESCO) listed the Chaco Culture as a World Heritage Site on December 8, 1987. That listing specifically included the Aztec Ruins.
The property was part of a 160-acre (65 ha) homestead owned by H.D. Abrams, who supported the ruins preservation. The H.D. Abrams House in Aztec is listed on the National Register of Historic Places.
- National Register of Historic Places listings in San Juan County, New Mexico
- List of National Monuments of the United States
- "Aztec Ruins National Monument". Geographic Names Information System. United States Geological Survey. Retrieved March 18, 2012.
- "Listing of acreage as of December 31, 2011". Land Resource Division, National Park Service. Retrieved March 18, 2012.
- "NPS Annual Recreation Visits Report". National Park Service. Retrieved April 10, 2018.
- "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- "National Park Service, Aztec Ruins, Frequently Asked Questions". Retrieved November 18, 2019.
- "World Heritage List: Chaco Culture". United Nations Educational, Scientific and Cultural Organization. Retrieved December 31, 2017.
- Trail of the Ancients. Archived August 21, 2014, at the Wayback Machine New Mexico Tourism Department. Retrieved August 14, 2014.
- "National Register of Historic Places". NPS.gov. Retrieved April 10, 2018.
- "The National Parks: Index 2001–2003". Washington, D. C., United States Department of the Interior
- Aztec Ruins National Monument
- National Park Service website
- American Southwest, a National Park Service Discover Our Shared Heritage Travel Itinerary
- UNESCO World Heritage site
- Media related to Aztec Ruins National Monument at Wikimedia Commons