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United States / CA / San Mateo County / CA-SMA-111 / I-7200
- Lab number
- I-7200
- Material dated
- Sediment
- Type of date
- Archaeological
- Locality
- San Mateo
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 1440 ± 85
- Context
- On San Mateo Ck below Crystal Springs Reservoir, near intersection of Bridge and Stonehenge Roads, collected by LaJoie near top of shell-rich midden