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- Lab number
- Beta-117364
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- La Plata
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 1680 ± 50
- Context
- Feature 53, the westernmost in the row of bell-shaped cists in Block 4, Component 1. Opening meas. 92 x 88 cm in dia., constricting to 76 cm in dia. at 55 cm below the prehistoric ground surface. Maximum dimension was 124 x 112 cm at the floor. Depth was 140 cm, and floor was moderately basin shaped. Estimated volume is 0.92 cubic m. Lower 50 cm of the feature walls were sooted and heavily oxidized. Fill was uniform yellowish-red clayey silt with numerous pieces of charcoal, burned adobe chunks. Fill also contained 1 flake, 17 bone frags (9 deer-sized, 2 from rabbit sized mamals, 3 cottontail, and 3 bighorn sheep vertebrae. Lower fill contained Zea mays cob frags. and cupules, charred Chenoposium seeds. Burning on sides of cist could have been done to harden the pit or could have resulted from accidental burning of contents.