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- Lab number
- A-722 A
- Material dated
- charcoal?; charbon de bois?
- Locality
- San Dieguito River, San Diego County, California
- Map sheet
- e
- Submitter
- C.N. Warren
- Normalized Age
- 9030 ± 400
- Significance
- geoarchaeology; géoarchéologie
- Context
- insoluble matter remaining after pretreatment, 25 cm below the erosional contact, pre-dating San Dieguito artifacts