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United States / CO / Boulder County / 5BL2431 / Lunk-639
- Lab number
- Lunk-639
- Field number
- BL2431-1
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Boulder
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 990 ± 60
- Stratigraphic component
- Stratum III
- Context
- Charcoal from Stratum III (numbered from top to bottom), TU 1, corresponding with the Ceramic period in E Colorado. Only assoc. diagnostic artifacts from Stratum III: a small C/N proj pt and cord-roughened Pottery. Debitage from this stratum was comprised of 76% cryptocrystalline material.