| RHP1431 | Plan of the farm of Mid Garth and the island of Linga Holm, property of George Traill | 1842 |
| RHP2735 | Plan of Whitehall Pier, Orkney | [19th century] |
| RHP13238 | Plan of pier at the Lower Station, Stronsay: 1891. | 1891 |
| RHP13239 | Plan of Whitehall Pier: 1891. | 1891 |
| RHP97629 | Ordnance Survey 6 inch plan (Orkney, sheet LXXXVII) marked to show classification of land | [1944-1954] |
| RHP97634 | Ordnance Survey 6 inch plan (Orkney, sheet XCII) marked to show classification of land | [1944-1954] |
| RHP97635 | Ordnance Survey 6 inch plan (Orkney, sheet XCIII) marked to show classification of land | [1944-1954] |
| RHP97640 | Ordnance Survey 6 inch plan (Orkney, sheet XCVIII) marked to show classification of land | [1944-1954] |
| RHP97641 | Ordnance Survey 6 inch plan (Orkney, sheet XCIX) marked to show classification of land | [1944-1954] |