There are 23 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 90740 | M. Clapham | Croton Falls, Stonewall County Kungurian - Permian 2 - Texas | Clifton (1942) |
| 90745 | M. Clapham | Quanah, Hardeman County Kungurian - Permian 2 - Texas | Clifton (1942) |
| 106109 | M. Clapham | USNM732j, Sierra del Norte, Glass Mountains Roadian - Permian 3 - Texas | Cooper and Grant (1972) |
| 106135 | M. Clapham | USNM735w, Old Word Ranch, Glass Mountains Roadian - Permian 3 - Texas | Cooper and Grant (1972) |
| 108802 | M. Clapham | USGS 2919 green, El Capitan, Guadalupe Mountains Roadian - Permian 3 - Texas | Girty (1908) |
| 108804 | M. Clapham | USGS 2924 green, Butterfield Trail, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108812 | M. Clapham | USGS 2926 green, Capitan Peak, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108821 | M. Clapham | USGS 2930 green, Pine Spring, Guadalupe Mountains Wordian - Permian 4 - Texas | Girty (1908) |
| 108826 | M. Clapham | USGS 2957 green, southern Delaware Mountains Roadian/Capitanian - Permian 3-4 - Texas | Girty (1908) |
| 108827 | M. Clapham | USGS 2962 green, southern Delaware Mountains Roadian/Capitanian - Permian 3-4 - Texas | Girty (1908) |
| 108828 | M. Clapham | USGS 2963 green, El Capitan, Guadalupe Mountains Roadian - Permian 3 - Texas | Girty (1908) |
| 108831 | M. Clapham | USGS 2966 green, El Capitan, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108855 | M. Clapham | USGS 3500 green, Delaware Mountains Roadian/Capitanian - Permian 3-4 - Texas | Girty (1908) |
| 108858 | M. Clapham | USGS 3762a green, Guadalupe Point, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108859 | M. Clapham | USGS 3762b green, Guadalupe Point, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108861 | M. Clapham | USGS 3762e green, Guadalupe Point, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 108862 | M. Clapham | USGS 3763 green, Comanche Canyon, Glass Mountains Roadian - Permian 3 - Texas | Girty (1908) |
| 108898 | M. Clapham | USGS 3840, Glass Mountains Roadian - Permian 3 - Texas | Girty (1908) |
| 108899 | M. Clapham | USGS 3762d green, Guadalupe Point, Guadalupe Mountains Capitanian - Permian 4 - Texas | Girty (1908) |
| 122051 | M. Clapham | USNM734h, Lenox Hills, Glass Mountains Kungurian - Permian 2 - Texas | Zimmerman and Cuffey (1987) |
| 122052 | M. Clapham | USNM735z, Dugout Mountain, Glass Mountains Kungurian - Permian 2 - Texas | Zimmerman and Cuffey (1987) |
| 122054 | M. Clapham | USNM735p, Hill 5779, Glass Mountains Kungurian - Permian 2 - Texas | Zimmerman and Cuffey (1987) |
| 122055 | M. Clapham | USNM734l, Hess Canyon, Glass Mountains Roadian - Permian 3 - Texas | Zimmerman and Cuffey (1987) |