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United States / WA / Okanogan County / DhRa-02 / Beta-185396
- 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