There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17100 | J. Alroy | Dickinson Member (Savanna) (= Obritsch Ranch; Fitterer Ranch) Orellan - Cenozoic 4 - North Dakota | Hoganson and Lammers (1992) |
| 17101 | J. Alroy | Dickinson Member (Woodland) (= Obritsch Ranch; Fitterer Ranch; Fitterer Bed Quarry) Orellan - Cenozoic 4 - North Dakota | Hoganson and Lammers (1992) |