There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 212997 | M. Clapham | USGS Mesozoic 23361, Fort Peck Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |
| 213001 | M. Clapham | USGS Mesozoic 23360, Fort Peck Late Campanian - Cretaceous 7 - Montana | Jensen and Varnes (1964) |
| 213092 | M. Clapham | USGS Mesozoic 23391, Fort Peck Early Maastrichtian - Cretaceous 8 - Montana | Jensen and Varnes (1964) |