page_title: Chaco Culture National Historical Park
section_title: Athabaskan succession
hierarchical_section_title: Chaco Culture National Historical Park / History / Athabaskan succession
caption_attribution_description: English: Prehistoric roads and great houses in the San Juan Basin.
context_page_description: Chaco Culture National Historical Park is a United States National Historical Park in the American Southwest hosting a concentration of pueblos. The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a remote canyon cut by the Chaco Wash. Containing the most sweeping collection of ancient ruins north of Mexico, the park preserves one of the most important pre-Columbian cultural and historical areas in the United States.
  Between AD 900 and 1150, Chaco Canyon was a major center of culture for the Ancestral Puebloans. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings ever built in North America until the 19th century. Evidence of archaeoastronomy at Chaco has been proposed, with the "Sun Dagger" petroglyph at Fajada Butte a popular example. Many Chacoan buildings may have been aligned to capture the solar and lunar cycles, requiring generations of astronomical observations and centuries of skillfully coordinated construction.
context_section_description: Numic-speaking peoples, such as the Ute and Shoshone, were present on the Colorado Plateau beginning in the 12th century. Nomadic Southern Athabaskan-speaking peoples, such as the Apache and Navajo, succeeded the Pueblo people in this region by the 15th century. In the process, they acquired Chacoan customs and agricultural skills. Ute tribal groups also frequented the region, primarily during hunting and raiding expeditions. The modern Navajo Nation lies west of Chaco Canyon, and many Navajo live in surrounding areas.
caption: Prehistoric roads and great houses in the San Juan Basin, superimposed on a map showing modern roads and settlements
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