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Lab number
Beta-56549
Material dated
charcoal
Type of date
Archaeological
Locality
Alaska
Date uploaded
June 27, 2017
Normalized Age
10750 ± 180
δ13C (per mil)
-19.4
Stratigraphic component
fluvial gravel and sand, 116 m lower than local minimum strandlines of Clayhurst stage of Glacial Lake Peace, 86 m below Indian Creek stage of lake
Additional information
AMS date.
Comments
HaRa-VP, Clayhurst Gravel Pit: Four AMS dates were run on the left tibia. A bison scapula collected from the same site by Peter Bobrowsky was also dated (AECV-1558C). This skeleton represents the most complete late Pleistocene bison so far reported in Canada. In contrast to McDonald (1981)... we prefer to view western bison (B.b. occidentalis) as stemming from steppe bison (B. priscus) which may have survived in the northern Yukon until about 12,000 yr BP.... Like other bison, western bison probably fed mainly on grasses, forbs, and sedges.

References