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Lab number
Beta-198554
Material dated
Charcoal
Type of date
geological
Locality
Moffat
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
4150 ± 60
δ13C (per mil)
-22.8
Stratigraphic component
30-75 cm below bladed surface
Context
Stained sediments from the cultural layer in main backhoe trench, 30-75 cm below the bladed surface. The date is from trenching in 2004 in the REX centerline, adjacent to the original trench for the prior pipeline. These later excavations in 2004 revealed this to be a natural paleosol referred to as the Spring Creek Paleosol; cultural materials recovered from the site primarily coincide with this paleosol. Thus, given a credibility of none since the date appears to be on a natural phenomenon.

References