There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 10810 | H. Sims | Goodman Creek Bluffs (USNM 14059) Clarkforkian - Cenozoic 1-2 - North Dakota | Hickey (1977) |
| 10984 | H. Sims | Southeast of Grassy Butte (USNM 14108) Clarkforkian - Cenozoic 1-2 - North Dakota | Hickey (1977) |
| 21372 | S. Wing | Almont (= ETE Locality 180, Almont, ) Clarkforkian - Cenozoic 1-2 - North Dakota | Crane et al. (1990) |