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date: 18 October 2019

Chaco Canyonlocked

  • R. Gwinn Vivian

Extract

Archaeological zone of Pre-Columbian towns and roads in North America, in the San Juan Basin, north-western New Mexico. Chaco Canyon was the centre from c.ad 850–1150 of Chacoan culture, one manifestation of the Anasazi tradition, and considered ancestral to contemporary Pueblo peoples of the Southwest. A community of at least 12 multi-storey, tiered ‘great houses’ and hundreds of contemporaneous single storey ‘small house sites’ were built within a 15 km sector of the canyon. ‘Great houses’ were constructed with core walls with veneer masonry and ranged from 80 to 580 rooms. Small houses were of simpler masonry and averaged about 20 rooms each. Both types were domestic structures, but also contained round ceremonial rooms known as kivas (see Kiva). ‘Great kivas’, up to 18 m in diameter, are restricted to ‘great houses’ or occur as isolated buildings. ‘Great houses’ are associated with elaborate water-control systems that collected and diverted rainfall run-off to gridded agricultural fields. ‘Great houses’ in the canyon itself were linked to ‘outlier’ communities on the peripheries of the San Juan Basin by wide (...

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