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United States / SD / Fall River County / 39FA30 / I-18361
- Lab number
- I-18361
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Fall River
- Date submitted
- April 3, 2009
- Date uploaded
- January 18, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 1680 ± 80
- Context
- Hearth 2. 1630 +/- 80 B.P. We treated these samples for the removal of Carbonates and humic acids. The Libby half-life of 5568 years was used to calculate the ages. Submitted by Dr. L. Adrien Hannus, Augustana College Archeology Lab.
- Additional information
- Radiometric