There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 105411 | M. Clapham | Grand Canyon Village (locality 7A) Roadian - Permian 3 - Arizona | Cisne (1971) |
| 113091 | M. Clapham | Canyon Padre bridge Roadian - Permian 3 - Arizona | Miller and Unklesbay (1942) |
| 113093 | M. Clapham | Grandeur Point, Grand Canyon Roadian - Permian 3 - Arizona | Miller and Unklesbay (1942) |
| 113094 | M. Clapham | Bottomless Pits, Walnut Canyon Roadian - Permian 3 - Arizona | Miller and Unklesbay (1942) |