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- Lab number
- Beta-117371
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Montrose
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 1450 ± 60
- δ13C (per mil)
- -25.0
- Context
- Feature 1, Locus 8, encountered 50 cm bmgs. Part of the feature was earthen construction. It meas. 120 x 148 cm, 32 cm deep below the prehistoric ground surface. It was originally cut into a slope so that the S wall was deeper than the N wall. As a result, fist sized rocks were placed in an arc along the N wall, with soil piled against them. The floor and walls were not oxidized. Fill was dark brown loam with charcoal and charcoal flecking. A concentration of FCR in the fill contained 114 rocks weighing 85 kg. A few flakes pieces of a single metate were also found. Pollen from the fill suggested that the climate at the time of the early occupation was drier than it is at present. Feature 1, a thermal feature partially earthen constructed. It was encountered 50 cm bmgs, and meas 120 x 148 cm with a depth of 32 cm below the prehistoric ground surface. It was cut into the slope, creating a situation in which the S wall was deeper than the N side. As a result, fist sized rocks were placed in an arc along the N wall and piled soil against the rocks. No oxidation of the floor or walls. Fill was dark brown loam with charcoal and charcoal flecks. 114 pieces of FCR weighing 85 kg were in the fill, along with a few lithic flakes and pieces of ground stone from a single metate. Pollen from the fill indicated that the limate at the time of the early occupation was much drier than the present climate.