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DatasetsGreat houses of Chaco CanyonChaco Research Archive tree-ring databases (CRA dates spreadsheet and 2015 LTRR specimen database)
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Chaco Research Archive tree-ring databases (CRA dates spreadsheet and 2015 LTRR specimen database)

Tree-ring dates from Chaco great houses and Aztec Ruins compiled from Windes, Ford, McKenna and LTRR publications, and the 2015 LTRR digitisation of the specimen notecards, which includes undated specimens and the year sampled, excavator and archive box. The CRA is reconciling the two. Column names above are paraphrased from the description and must be checked against the files. Analyses it suppor

Great houses of Chaco CanyonGreat houses of Chaco CanyonVersion 1.0Licence not stated (download behind a disclaimer); cite the CRAUpdated 26 Oct 2026

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