There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 11189 | H. Sims | Mazon Creek Westphalian - Carboniferous 4 - Illinois | Pfefferkorn (1979) |
| 11193 | H. Sims | Murphysboro Podolskian/Carboniferous - Carboniferous 4-1-5 - Illinois | Read (1947) |
There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 11189 | H. Sims | Mazon Creek Westphalian - Carboniferous 4 - Illinois | Pfefferkorn (1979) |
| 11193 | H. Sims | Murphysboro Podolskian/Carboniferous - Carboniferous 4-1-5 - Illinois | Read (1947) |