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Convergence of evidence supports a Chuska Mountains origin for the Plaza Tree of Pueblo Bonito, Chaco Canyon

journal contribution
posted on 29.07.2020, 00:00 by CH Guiterman, CH Baisan, NB English, J Quade, JS Dean, TW Swetnam
© 2020 by the Society for American Archaeology. The iconic Plaza Tree of Pueblo Bonito is widely believed to have been a majestic pine standing in the west courtyard of the monumental great house during the peak of the Chaco Phenomenon (AD 850-1140). The ponderosa pine (Pinus ponderosa) log was discovered in 1924, and since then, it has been included in birth and life narratives of Pueblo Bonito, although these ideas have not been rigorously tested. We evaluate three potential growth origins of the tree (JPB-99): Pueblo Bonito, Chaco Canyon, or a distant mountain range. Based on converging lines of evidence-documentary records, strontium isotopes (87Sr/86Sr), and tree-ring provenance testing-we present a new origin for the Plaza Tree. It did not grow in Pueblo Bonito or even nearby in Chaco Canyon. Rather, JPB-99 originated from the Chuska Mountains, over 50 km west of Chaco Canyon. The tree was likely carried to Pueblo Bonito sometime between AD 1100 and 1130, although why it was left in the west courtyard, what it meant, and how it might have been used remain mysteries. The origin of the Plaza Tree of Pueblo Bonito underscores deep cultural and material ties between the Chaco Canyon great houses and the Chuska landscape.

Funding

Category 2 - Other Public Sector Grants Category

History

Volume

85

Issue

2

Start Page

331

End Page

346

Number of Pages

16

eISSN

2325-5064

ISSN

0002-7316

Publisher

Cambridge University Press

Additional Rights

CC BY 4.0

Peer Reviewed

Yes

Open Access

Yes

Acceptance Date

15/01/2020

External Author Affiliations

University of Arizona, US

Era Eligible

Yes

Journal

American Antiquity

Licence

Exports