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United States / CO / Montrose County / 5MN4253 (Schmidt site) / Beta-139120

Lab number
Beta-139120
Material dated
Seeds
Taxa dated
Zea mays
Type of date
Archaeological
Locality
Montrose
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
2110 ± 40
δ13C (per mil)
-9.4
Context
Zea mays from floor of Structure 2, Locus 3. See description of structure under B-117466. Two other charcoal C14 dates from the fill/floor contact are available. The 3 dates are statistically contemporaneous, yielding a pooled mean of 2110 +/- 40 BP (uncalib). 1 sigma cal is 174 - 89 BC (prob. 0.812).

References