| Reference Number | DE/6/8/7/25/6 |
| Title | Plan [tracing] of mines along Netherton Tunnel |
| Description | Surveyor: Not known
Scale: Not given |
| Date | 20th century |
| Physical Description | PRODUCE UNDER SUPERVISION ONLY [Tracing paper] |
| AccessStatus | Open |
| Extent | [1 item] |
| Level | Item |