LocNo: 918Knobstone Group
| Country: |
USA
|
| Province: |
Indiana, Jackson Co.
|
| Locality: |
Rockford
|
| Layer: | Knobstone Group |
| Lower Boundary: |
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|
| Georeference: |