There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 102526 | M. Clapham | USGS 21743-PC, Nation River Tributary, Limestone Spur Wordian - Permian 4 - Alaska | Brabb and Grant (1971) |
| 102597 | M. Clapham | USGS 23062-PC, Yukon River-Nation River Confluence Wordian - Permian 4 - Alaska | Brabb and Grant (1971) |
| 102598 | M. Clapham | USGS 23083-PC, Mouth of Nation River Wordian - Permian 4 - Alaska | Brabb and Grant (1971) |