There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 212997 | M. Clapham | USGS Mesozoic 23361, Fort Peck Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |
| 213000 | M. Clapham | USGS Mesozoic 23366, Porcupine Creek Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |