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Lab number
Beta-131499
Material dated
Charcoal
Type of date
Archaeological
Locality
Montrose
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
4010 ± 80
δ13C (per mil)
-25.0
Context
Feature 9A-B, 2 small slab lined hearths about 30-40 cm apart. Feature 9A meas. 39 cm in dia., 13 cm deep and was lined with 17fire altered cobbles and tabular slabs that weighed 3.6 kg. The feature was discovered ca 22 cm bmgs. Fill contained 4 flakes, 1 hammerstone, and a charred pine cone. Feature 9B was also slab lined and found at the same depth as 9A. 9B meas. 40 x 32 cm in dia. Fill contained 19 pieces of FCR, including the slab lining, all of which weighed 3.2 kg. Artifacts from the fill: 1 FST, 7 flakes, 1 ground stone fragment near the edge of the feature, 65 charred goosefoot seeds, 1 small bone fragment. Charcoal from Features 9A and 9B were combined for a radiocarbon sample.

References