| Reference Number | S5/A41/2869 |
| Catalogue Level | Item |
| Title | Plan: Undermining of Douglas Breakwater Outer Wall |
| Date | Undated [19th - mid 20th century] |
| Description | Structure or Place: Douglas, Breakwater. |
| Notes | Douglas |
| Access | Open |
| Extent | 1 sheet |
| AltRefNo | C750 |
| 728 |
| D/B/17 |
| AccNo | A41 |