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- Lab number
- UM-957
- Material dated
- Shell
- Taxa dated
- Helisoma gastropod shell.
- Type of date
- Geological
- Locality
- Collier County
- Submitter
- Kropp
- Date uploaded
- January 15, 2024
- Collector
- Duever
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 7065 ± 235
- Context
- Core (2)-5X, 116-127cm
- Additional information
- Radiometric
- Comments
- piston core containing peat and marl from Corkscrew Swamp Sanctuary, Central Marsh, Naples, Florida; Samples taken to determine rate of peat growth and paleo-environment.