There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 14976 | J. Alroy | Red Spring (= L3236) Tiffanian - Cenozoic 1 - North Dakota | Kihm et al. (1993) |
| 15000 | J. Alroy | Wannagan Creek Quarry (coll. Erickson & crew 1970–1996) Tiffanian - Cenozoic 1 - North Dakota | Erickson (1991) |