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- Lab number
- Beta-315094
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Jackson
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 810 ± 30
- δ13C (per mil)
- -0.2
- Context
- From charcoal excavated from feature 11- N169 E792 (west central section of unit) stratigraphic levels 2 & 3 and N169 E791 (visible only in the northeast margins of the unit in levels 2-3). Calibrated date is AD 1170-1270 adn BP 780-680. Feature 11 is a heavy charcoal concentration with fire-cracked rock, small whole charcoal (up to .25 cm diameter), small burned, calcined bone fragments, and scattered secondary adn tertiary flakes. Interpreed as a hearth "clean-out" midden or possibly a surface or shallow basin hearth, the feature is roughly oblong with a northwest west-southeast east qaxis, measuring 57 cm east-west adn 58 cm north-south and with a maximum depth of approx. 11 cm.