There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 158026 | M. Clapham | USGS 1492A, Jamestown Mountain (coll. Girty 1908) Arnsbergian - Carboniferous 3 - Arkansas - old id | Gordon (1964) |
| 160547 | M. Clapham | USGS 8786, Round Mountain (coll. Gordon 1940) Pendleian - Carboniferous 3 - Arkansas - old id | Gordon (1964) |
| 175860 | M. Clapham | ARC-I-540, West Fork (coll. Manger) Pendleian - Carboniferous 3 - Arkansas | Niko and Mapes (2016) |
| 175861 | M. Clapham | ARC-28, West Black Forest Drive (coll. Mapes) Pendleian - Carboniferous 3 - Arkansas | Niko and Mapes (2016) |
| 175862 | M. Clapham | ARC-29, Interstate 540 (coll. Mapes) Pendleian - Carboniferous 3 - Arkansas | Niko and Mapes (2016) |
| 175863 | M. Clapham | ARC-14, Town Branch and Cato Spring Branch Creeks (coll. Mapes) Pendleian - Carboniferous 3 - Arkansas | Niko and Mapes (2016) |