There are 5 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) |
| 5645 | J. Alroy | USGS "blue file" Loc. 13425 Serpukhovian - Carboniferous 3 - Montana | Easton (1962) |
| 6715 | A. Miller | Locality 5, horizon 2, Big Snowy Fm., Brownback Gulch, Madison Co., Montana Chesterian - Carboniferous 2-3 - Montana | Brewster (1984) |
| 6716 | A. Miller | Locality 5, horizon 3, Amsden Fm., Brownback Gulch, Madison Co., Montana Morrowan - Carboniferous 4 - Montana | Brewster (1984) |