There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 5621 | J. Alroy | USGS "blue file" Loc. 13359 Serpukhovian - Carboniferous 3 - Montana | Easton (1962) |
| 5641 | J. Alroy | USGS "blue file" Loc. 13414 Serpukhovian - Carboniferous 3 - Montana | Easton (1962) |