| Reference Number | DE/6/15/3/41 |
| Title | Plan of Workings Beneath Pensnett Upper Reservoir |
| Description | Coloured. Pencil annotation. Workings and surface details. Wallows colliery to the west.
Surveyor: Not known
Scale: 2 chains to 1" [1" to 44 yards 1:1584] |
| Date | 19th century |
| Physical Description | [Linen-backed. 28cm x 50cm] |
| AccessStatus | Open |
| Level | Item |