There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 108905 | M. Clapham | USGS 981a, Layland tunnel, Sublette Range Roadian - Permian 3 - Wyoming | Girty (1910) |
| 108909 | M. Clapham | USGS 988a, Coal Canyon bed 14 Roadian - Permian 3 - Wyoming | Girty (1910) |
| 108913 | M. Clapham | USGS 988e, Coal Canyon bed 16 Roadian - Permian 3 - Wyoming | Girty (1910) |