There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 40737 | P. Wagner | UCMP loc. A-6, Twin Rivers, Strait of Juan de Fuca Late Oligocene - Cenozoic 4 - Washington | Tegland (1931) |
| 52357 | A. Hendy | SUNP #120 - Twin Rivers (Blakeley Formation) Chattian - Cenozoic 4 - Washington | Weaver (1942) |
| 52362 | A. Hendy | Blakely Formation - WA Chattian - Cenozoic 4 - Washington | Weaver (1942) |
| 52380 | A. Hendy | Galvin Station (= UW 256) Chattian - Cenozoic 4 - Washington | Weaver (1942) |
| 180405 | M. Clapham | UCMP A3678, east of Twin Rivers (coll. Wyatt Durham) Chattian - Cenozoic 4 - Washington | Miller and Downs (1950) |
| 208172 | M. Uhen | UCMP A3707 Chattian - Cenozoic 4 - Washington | Durham (1944) |