There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 221301 | M. Clapham | RB15, Twin Rivers Chattian - Cenozoic 4 - Washington | Schweitzer and Feldmann (1999) |
| 221302 | M. Clapham | RB18, Twin Rivers quarry Chattian - Cenozoic 4 - Washington | Schweitzer and Feldmann (1999) |