| Reference Number | DE/6/12/3/54 |
| Title | Cross-Section of Proposed Enlargement of Dudley Tunnel |
| Description | Coloured. Measurements in feet and inches. Present tunnel labelled on the left side. Metalling and weir in the centre.
Surveyor: Not known
Scale: 2 feet to 1" [1:24] |
| Date | mid 19th century |
| Physical Description | [Linen-backed. 65cm x 91cm] |
| AccessStatus | Open |
| Level | Item |