There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 213001 | M. Clapham | USGS Mesozoic 23360, Fort Peck Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |
| 213091 | M. Clapham | USGS Mesozoic 23373, Milk River Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |