RNames - Relation: 221809
Relation #221809
| Name 1 | Downton Castle - Regio_Stage / Regional Standard - 3 - Global |
|---|---|
| Name 2 | 419.2 - mya / Absolute age - 1 - Global |
| Belongs to | No |
RNames - Relation #221809: List of References
| First Author | Year | Title | Link | Action |
|---|---|---|---|---|
| Harland, W. B. | 1990 | A Geologic Time Scale 1989 | None |