Description
Unknown
Pennsylvanian
Francis Creek Shale
Pit 11, Will Co.
Illinois, USA.
40mm in big 115mm half concretion

Unknown
Pennsylvanian
Francis Creek Shale
Pit 11, Will Co.
Illinois, USA.
40mm in big 115mm half concretion
| Weight | 400 g |
|---|---|
| Dimensions | 115 mm |