[1
]Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Sierra de Atapuerca
3, 09002 Burgos, Spain.
[2
]Stone Age Institute and CRAFT Research Center, 1392 W. Dittemore Rd., Gosport, IN
47408, USA.
[3
]Department of Anthropology, Southern Connecticut State University, 501 Crescent Street,
New Haven, CT 06515, USA.
[4
]Department of Anatomy, Case Western Reserve University School of Medicine, Cleveland,
OH 44106, USA.
[5
]Laboratory of Physical Anthropology, Cleveland Museum of Natural History, Cleveland,
OH 44106, USA.
[6
]Department of Earth and Environmental Sciences, University of Michigan, 1100 North
University Avenue, Ann Arbor, MI 48109, USA.
[7
]Department of Geosciences/Desert Laboratory, University of Arizona, Tucson, AZ 85721,
USA.
[8
]New Mexico Bureau of Geology and Mineral Resources, Earth and Environmental Science
Department, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801-4796, USA.
[9
]Universitat Rovira i Virgili (URV), Avinguda de Catalunya 35, 43002 Tarragona, Spain.
[10
]IPHES, Institut Català de Paleoecologia Humana i Evolució Social, Zona Educacional
4–Campus Sescelades URV (Edifici W3), 43007 Tarragona, Spain.
[11
]Watershed Studies Institute and Department of Earth and Environmental Sciences, Murray
State University, Murray, KY 42071, USA.
[12
]Department of Anthropology, Columbia University, 1200 Amsterdam Ave., New York, NY
10027, USA.
[13
]The University of Utah, 201 South Presidents Circle Room 201, Salt Lake City, UT 84112,
USA.
[14
]Department of Physics, University of Portland, Portland, OR 97203, USA.
[15
]Department of Anthropology, Emory University, 1557 Dickey Drive, Atlanta, GA 30322,
USA.
[16
]Chevron Energy Technology Company, 1500 Louisiana St., Houston, TX 77002, USA.
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