There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 90281 | M. Clapham | Detten No 1 well, 825.3 m depth, Deaf Smith County Kungurian - Permian 2 - Texas | Fracasso and Hovorka (1987) |
| 131042 | M. Clapham | Lake Kemp Dam, Baylor Co. Kungurian - Permian 2 - Texas | Dalquest and Kocurko (1988) |
| 132079 | M. Clapham | Quarry section, US 180-62 Roadian - Permian 3 - Texas | Ivanov et al. (2012) |