Late Upper Paleolithic occupation at Cooper's Ferry, Idaho, USA, ~16,000 years ago

Loren G Davis¹, David B Madsen², Lorena Becerra-Valdivia³, Thomas Higham³, David A Sisson⁴, Sarah M Skinner⁵, Daniel Stueber⁶, Alexander J Nyers⁷, Amanda Keen-Zebert⁸, Christina Neudorf⁸, Melissa Cheyney⁵, Masami Izuho⁹, Fumie Iizuka^{9

10}, Samuel R Burns⁵, Clinton W Epps¹¹, Samuel C Willis¹², Ian Buvit⁵

Affiliations

¹ Department of Anthropology, Oregon State University, 238 Waldo Hall, Corvallis, OR 97331, USA. loren.davis@oregonstate.edu.
² Texas Archeological Research Laboratory, University of Texas, Austin, TX 78758, USA.
³ Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, School of Archaeology, 1 South Parks Road, Oxford OX1 3TG, UK.
⁴ Bureau of Land Management, Cottonwood Field Office, 2 Butte Drive, Cottonwood, ID 83522, USA.
⁵ Department of Anthropology, Oregon State University, 238 Waldo Hall, Corvallis, OR 97331, USA.
⁶ University of Victoria, Department of Anthropology, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2, Canada.
⁷ Northwest Archaeometrics, P.O. Box 2427, Corvallis, OR 97339, USA.
⁸ Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA.
⁹ Tokyo Metropolitan University, Faculty of Humanities and Social Sciences, 1-1 Minami-Osawa, Hachioji-shi, Tokyo, Japan 192-0397.
¹⁰ School of Social Sciences, Humanities and Arts, University of California, Merced, Merced, CA, USA.
¹¹ Oregon State University, Department of Fisheries and Wildlife, 104 Nash Hall, Corvallis, OR 97331, USA.
¹² Oregon Parks and Recreation Department, Stewardship Section, 725 Summer Street, NE, Suite C, Salem, OR 97301, USA.

PMID: 31467216
DOI: 10.1126/science.aax9830

Late Upper Paleolithic occupation at Cooper's Ferry, Idaho, USA, ~16,000 years ago

Loren G Davis et al. Science. 2019.

. 2019 Aug 30;365(6456):891-897.

doi: 10.1126/science.aax9830.

Authors

Affiliations

¹ Department of Anthropology, Oregon State University, 238 Waldo Hall, Corvallis, OR 97331, USA. loren.davis@oregonstate.edu.
² Texas Archeological Research Laboratory, University of Texas, Austin, TX 78758, USA.
³ Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, School of Archaeology, 1 South Parks Road, Oxford OX1 3TG, UK.
⁴ Bureau of Land Management, Cottonwood Field Office, 2 Butte Drive, Cottonwood, ID 83522, USA.
⁵ Department of Anthropology, Oregon State University, 238 Waldo Hall, Corvallis, OR 97331, USA.
⁶ University of Victoria, Department of Anthropology, P.O. Box 1700 STN CSC, Victoria, BC V8W 2Y2, Canada.
⁷ Northwest Archaeometrics, P.O. Box 2427, Corvallis, OR 97339, USA.
⁸ Division of Earth and Ecosystem Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA.
⁹ Tokyo Metropolitan University, Faculty of Humanities and Social Sciences, 1-1 Minami-Osawa, Hachioji-shi, Tokyo, Japan 192-0397.
¹⁰ School of Social Sciences, Humanities and Arts, University of California, Merced, Merced, CA, USA.
¹¹ Oregon State University, Department of Fisheries and Wildlife, 104 Nash Hall, Corvallis, OR 97331, USA.
¹² Oregon Parks and Recreation Department, Stewardship Section, 725 Summer Street, NE, Suite C, Salem, OR 97301, USA.

PMID: 31467216
DOI: 10.1126/science.aax9830

Abstract

Radiocarbon dating of the earliest occupational phases at the Cooper's Ferry site in western Idaho indicates that people repeatedly occupied the Columbia River basin, starting between 16,560 and 15,280 calibrated years before the present (cal yr B.P.). Artifacts from these early occupations indicate the use of unfluted stemmed projectile point technologies before the appearance of the Clovis Paleoindian tradition and support early cultural connections with northeastern Asian Upper Paleolithic archaeological traditions. The Cooper's Ferry site was initially occupied during a time that predates the opening of an ice-free corridor (≤14,800 cal yr B.P.), which supports the hypothesis that initial human migration into the Americas occurred via a Pacific coastal route.

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Comment in

Ancient site in Idaho implies first Americans came by sea.
Wade L. Wade L. Science. 2019 Aug 30;365(6456):848-849. doi: 10.1126/science.365.6456.848. Epub 2019 Aug 29. Science. 2019. PMID: 31467199 No abstract available.
Comment on "Late Upper Paleolithic occupation at Cooper's Ferry, Idaho, USA, ~16,000 years ago".
Manning SW. Manning SW. Science. 2020 Apr 10;368(6487):eaaz4695. doi: 10.1126/science.aaz4695. Science. 2020. PMID: 32273437

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Late Upper Paleolithic occupation at Cooper's Ferry, Idaho, USA, ~16,000 years ago

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Late Upper Paleolithic occupation at Cooper's Ferry, Idaho, USA, ~16,000 years ago

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