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27 July 2022 Wiggle-Matched Red Cedar from a Pre-Monumental Occupation at Kincaid Mounds, Illinois, USA
Nicholas V. Kessler, Paul D. Welch, Brian M. Butler, Tamira K. Brennan, Ronald H. Towner, Gregory W. L. Hodgins
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Abstract

Wiggle-matched 14C dates anchored an 82-year floating cedar tree-ring chronology from the basal layer of a Mississippian Period mound to AD 1170 ± 9 (1σ) (outermost ring). Although numerical cross-matching showed preference for a temporal placement consistent with the 14C dates and visual matching, statistical scores were below critical thresholds for annual crossdating. Sapwood-corrected terminus post quem dates for the material, and their stratigraphic relationship with overlying dates, show that the earliest truncate mound construction at Mound 4 occurred after AD 1177. This date is informative for the timing of the transition of Kincaid to a major regional center and does not support an earlier hypothesis that Mound 4 was constructed in Early Kincaid times (AD 1050–1150). These results demonstrate the potential for archaeological collections to extend long tree-ring chronologies in the Midwestern U.S.

Copyright © 2022 by the Tree-Ring Society
Nicholas V. Kessler, Paul D. Welch, Brian M. Butler, Tamira K. Brennan, Ronald H. Towner, and Gregory W. L. Hodgins "Wiggle-Matched Red Cedar from a Pre-Monumental Occupation at Kincaid Mounds, Illinois, USA," Tree-Ring Research 78(2), 100-112, (27 July 2022). https://doi.org/10.3959/2021-22
Received: 19 November 2021; Accepted: 22 March 2022; Published: 27 July 2022
KEYWORDS
floating chronology
Hawley-Bell
Kincaid Mounds
Mx°4
wiggle-matching
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