| Reference Number | DE/6/3/33 |
| Title | Coal valuation file: Gibbons (Dudley) Ltd (Dibdale, Upper Gornal and Harbour Hill) |
| Description | Top and bottom fireclay coal, stinking coal and thick coal pickings at Harbour Hill. Includes plans and copy entry in Coal Register. |
| Date | 1941 - 1945 |
| Physical Description | [folder in poor condition] |
| AccessStatus | Open |
| Extent | [1 file] |
| Level | Item |