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Lab number
Beta-185396
Material dated
Bone collagen
Type of date
Archaeological
Date uploaded
June 27, 2017
Normalized Age
1130 ± 100
δ13C (per mil)
-20.0
Stratigraphic component
From rockshelter, associated with cultural materials, date came from a cultural modified Artidactyl bone.Stratigraphically above Mt. St. Helen's Yn tephra (Plates A12, A13)
Context
Rockshelter
Comments
(Sxwalhani.t 200-1500bp)This cultural strata was associated with red ochre , birch bark and pictographs. Author says evidence suggests sporadic use of rockshelter over last 1500 years

References