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- Lab number
- Beta-153886
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Rio Blanco
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 1030 ± 60
- Context
- Feature 1 hearth matrix. Partially deflated hearth basin in the SE part of Block A. FCR and ash were eroding downslope. Hearth meas. ca. 59 x 72 cm; gently sloping sides and an oxidation rind along outer edges; 12 cm deep. 85 fired cobbles and spalls weighing 5.8 kg were found in the matrix; 46 were 5 cm or less in dia. Flotation found 17 minute, burned Zea mays cob frags. and 2 charred Zea mays kernel frags.