There are 5 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17046 | J. Alroy | 2.5 Mi. Northeast of Chadron Orellan - Cenozoic 4 - Nebraska | Patterson and McGrew (1937) |
| 17051 | J. Alroy | 12 Mi. NNW of Crawford Orellan - Cenozoic 4 - Nebraska | Patterson and McGrew (1937) |
| 17150 | J. Alroy | North of Zerbst Ranch (Upper) Orellan - Cenozoic 4 - Nebraska | McGrew (1937) |
| 17495 | J. Alroy | Durnal Ranch Quarry (= UNSM Mo-119) Geringian - Cenozoic 4 - Nebraska | Alker (1969) |
| 17709 | J. Alroy | Ridgeview (= UNSM Dw-121) Geringian - Cenozoic 4 - Nebraska | Bailey (1992) |