| RHP6689 | Plan of mussel beds in the Montrose Basin, Angus | Nov 1893 |
| RHP13292 | Plan of Montrose Basin, Angus | 12 Jun 1805 |
| RHP13294 | Plan of the River of South Esk near Dun, showing the old and present courses, Angus | 24 Jun 1822 |
| RHP22809 | Photostat copy of plan of the marches of the fishings between Old Montrose and Dun | 1833-1834 |
| RHP34484 | 1. Ordnance Survey 1/2500 plan of MARYTON. 2-4. Plans showing site of accident at Maryton. | 1929 |
| RHP40695 | Copy plan of the marches of the fishings in the River South Esk between Old Montrose and Dun | 1833-1834 |
| RHP75537 | Ordnance Survey 6 inch plan (Angus, sheet XXXIV.NE) marked to show farm boundaries | [1944-1955] |
| RHP75538 | Ordnance Survey 6 inch plan (Angus, sheet XXXIV.SE) marked to show farm boundaries | [1944-1955] |
| RHP75541 | Ordnance Survey 6 inch plan (Angus, sheet XXXV.NW) marked to show farm boundaries | [1944-1955] |
| RHP75542 | Ordnance Survey 6 inch plan (Angus, sheet XXXV.SW) marked to show farm boundaries | [1944-1955] |
| RHP75543 | Ordnance Survey 6 inch plan (Angus, sheet XXXV.SW) marked to show farm boundaries | [1944-1955] |
| RHP128459 | Hand coloured drawing showing elevation, plan and section of viaduct over River South Esk at 198½ mile post near Bridge of Don. (Caledonian Railway) | c 1923 |