There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 18063 | J. Alroy | Big Spring Canyon (= UCMP V-3322; SDSM V-512; Ed Ross Ranch) Clarendonian - Cenozoic 5-6 - South Dakota | Gregory (1942) |
| 18268 | J. Alroy | Mission (= SDSM V-5314; Thomas Fox Ranch; Joe Thin Elk Gravel Pits) Clarendonian - Cenozoic 5-6 - South Dakota | Green (1971) |