There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 18848 | J. Alroy | Chalk Cliffs South (= CM Locality #1935, Unit 16 microfossil quarry) early Late Barstovian - Cenozoic 5 - Montana | Burbank and Barnosky (1990) |
| 19000 | J. Alroy | Owl Gully Miocene - Cenozoic 5-6 - Montana | Burbank and Barnosky (1990) |