There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 122746 | M. Clapham | East Alkali Gulch head, south of De Beque (coll. John Byram 1922) Bridgerian - Cenozoic 2 - Colorado | Cockerell (1925) |
| 140187 | M. Clapham | Ute Trail, Roan Plateau (station 10) (coll. Cockerell, Byram, Mrs Cockerell 1922) Bridgerian - Cenozoic 2 - Colorado | Cockerell (1925) |
| 140188 | M. Clapham | Trail Gulch, north side of Roan Creek (coll. Byram 1922) Bridgerian - Cenozoic 2 - Colorado | Cockerell (1925) |
| 140189 | M. Clapham | Roan Mountains (station 11) (coll. Cockerell, Byram, Mrs Cockerell 1922) Bridgerian - Cenozoic 2 - Colorado | Cockerell (1925) |