There are 5 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 17115 | J. Alroy | Harris Ranch Unit A Orellan - Cenozoic 4 - South Dakota | Simpson (1985) |
| 17336 | J. Alroy | Harris Ranch Unit B Whitneyan - Cenozoic 4 - South Dakota | Simpson (1985) |
| 17337 | J. Alroy | Harris Ranch Unit C Whitneyan - Cenozoic 4 - South Dakota | Simpson (1985) |
| 17338 | J. Alroy | Harris Ranch Unit D Whitneyan - Cenozoic 4 - South Dakota | Simpson (1985) |
| 17520 | J. Alroy | Harris Ranch Unit E Silt (= Blue Ash Channel) Arikareean - Cenozoic 4-5 - South Dakota | Simpson (1985) |