LocNo: 184Prospect Hill Siltstone
| Country: |
USA
|
| Province: |
Iowa, Buffalo County
|
| Locality: |
Ackley, along Beaver Creek
|
| Layer: | Prospect Hill Siltstone |
| Lower Boundary: |
UIA Prospect Hill Sltst. base, 359.2 million years
|
| Upper Boundary: |
UIA Prospect Hill Sltst. top, 357.5 million years
|
| Georeference: |