CARD fuzzes location data for public visitors to the database. Accessing CARD's full capabilities requires an account available only to researchers at accredited institutions.
- Lab number
- I-2289
- Material dated
- Shell
- Taxa dated
- Clam shells
- Type of date
- Geological
- Locality
- Ransom
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 13500 ± 220
- Context
- Roadcut in the 323- to 325-meter (1,060- to 1,065-foot) terrace on the west side of the Sheyenne River
- Additional information
- Radiometric
- Comments
- Original date was 13,700 ± 220. This date was adjusted by 13C/12C analysis to remove the effect of old carbon whose source was dissolved Paleozoic carbonate rock.