There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 181603 | P. Barrett | 4 miles southwest of Brecht Ranch (coll. Morris, Skinner 1951) Chadronian - Cenozoic 3 - Nebraska | Sullivan (1979) |
| 181605 | P. Barrett | 2 miles north of Crawford (= Harold J Cook locality of USNM / coll. Robert Sullivan, Paul Edwards 1973) Chadronian - Cenozoic 3 - Nebraska | Sullivan (1979) |
| 181614 | P. Barrett | West end of Trunk Butte (coll. Morris Skinner & Lamb 1953) Chadronian - Cenozoic 3 - Nebraska | Sullivan (1979) |