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Earliest Human Presence in North America Dated to the Last Glacial Maximum: New Radiocarbon Dates from Bluefish Caves, Canada

Fig 1

Cut marks on a horse mandible from Cave II.

The specimen (# J7.8.17) is dated to 19,650 ± 130 14C BP (OxA-33778). The bone surface is a bit weathered and altered by root etching but the cut marks are well preserved; they are located on the medial side, under the third and second molars, and are associated with the removal of the tongue using a stone tool [48].

Fig 1

doi: https://doi.org/10.1371/journal.pone.0169486.g001