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Chaco Culture National Historical ParkPhoto of sunset from South Mesa
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Chaco Culture National Historical Park
Management
 

World Heritage Site - December 8, 1987
Chaco Culture National Historic Park - December 19, 1980
Chaco Canyon National Monument - March 11, 1907

Aerial photo of Chetro Ketl  

Did You Know?
While the rocks at Chaco Canyon are the same type of rocks as found at Mesa Verde National Park, there are no large alcoves at Chaco Canyon. A layer of clay in the sandstone at Mesa Verde causes alcoves to form and that layer is missing in Chaco Canyon.
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Last Updated: September 20, 2006 at 11:28 EST