LocNo: 160Coldwater Formation
| Country: |
USA
|
| Province: |
Michigan, Ottawa County
|
| Locality: |
Holland
|
| Layer: | Coldwater Formation |
| Lower Boundary: |
UMI Coldwater Shale base, 349 million years
|
| Upper Boundary: |
UMI Coldwater Shale top, 345.3 million years
|
| Georeference: |