BGS mineralogy and petrology collection record
| Sample number | MR970 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Impure Limestone' |
| Stratigraphy | Not entered |
| Comments | Upper Ludlow. 514/43, C/282. |
| Locality details | Builth, Brecknockshire |
| 50k map sheet | Builth (196) |
| Map reference | SO 04 50 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |