A Chacoan-style great-house complex on the Animas River, built in the early-to-mid 12th century as Chaco Canyon's influence extended north, then remodeled and reoccupied in the 13th century by Mesa Verde-affiliated Puebloans before final abandonment; 19th-century settlers mistakenly attributed it to the Aztec.
Abandoned by the late 13th century as part of the region-wide Ancestral Puebloan migrations south to the Rio Grande and west to Hopi.
The standard narrative history of the site's excavation and archaeology by the archaeologists most associated with it.
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