LocNo: 79Logan Fm., Byer M., 5m below top
| Country: |
USA
|
| Province: |
Ohio, Jackson County
|
| Locality: |
Ray
|
| Layer: | Logan Fm., Byer M., 5m below top |
| Lower Boundary: |
UOH Logan Fm. base, 357.5 million years
|
| Upper Boundary: |
UOH Logan Fm. top, 353 million years
|
| Georeference: |