Technical Comments

Response to Comment on "Redefining the Age of Clovis: Implications for the Peopling of the Americas"

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Science  20 Jul 2007:
Vol. 317, Issue 5836, pp. 320
DOI: 10.1126/science.1142812


Haynes et al. misrepresent several aspects of our study. Our revised dates and other archaeological data imply that Clovis does not represent the earliest occupation of the Americas, and we offered both human migration and technology diffusion as hypotheses to explain the expansion of Clovis. We stand by the data and conclusions presented in our original report.

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