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United States / CO / Montrose County / 5MN273 / Beta-130975
- Lab number
- Beta-130975
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Montrose
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 3630 ± 80
- δ13C (per mil)
- -25.0
- Stratigraphic component
- 11 cm below disturbed surface
- Context
- Feature 1000, discovered during monitoring. Sample is probably juniper or pine. It was an ovoid thermal feature, extending to ca. 11 cm below the disturbed ground surface. Meas. 55 x 45 cm in dia. Four fire-altered sandstone slabs in fill, but no oxidation. A limited-use hearth.