There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 23516 | H. Sims | Murphysboro Coal Maceration 1160 Bashkirian/Gzhelian - Carboniferous 4-5 - Illinois | Peppers (1970) |
| 23647 | H. Sims | Herrin (No. 6) Peppers Composite Locality Bashkirian/Gzhelian - Carboniferous 4-5 - Illinois | Peppers (1970) |