| RHP1179 | Plan of Lunan Water estate (middle division) | 1858 |
| RHP1180 | Plan of Lunan Water estate, east division, Angus | 1858 |
| RHP8163 | Plan of Lunan manse and offices, Angus | Early 20th century |
| RHP126367-126369 | Three drawings showing elevations, plans, sections and details of steelwork for viaduct over Lunan Water near Lunan Bay (North British Railway) | c 1923 |
| RHP126372-126374 | Three drawings showing elevations, plans, sections and details of masonry and steelwork for renewal of Lunan Den Viaduct near Lunan Bay (North British Railway) | c 1923 |
| RHP129995-129996 | Drawings showing elevations, plans sections and details of girders and other steelwork for reconstruction of Lunan Viaduct (North British Railway) | c 1923 |
| RHP129998-130005 | Eight blueprints showing elevations, plans, sections and details of steelwork for widening of Lunan Water Viaduct (London and North Eastern Railway) | 1930 |
| RHP130006-130007 | Two drawings showing elevations, plans, sections and details of steelwork for renewal of Buckie Den Viaduct at Lunan Bay (North British Railway) | 1911 |
| RHP130009-130011 | Two drawings and one blueprint showing elevations, plans, sections and details of steelwork and masonry for Bridge No 265 "Buckie Mill" for widening of line between Inverkeillor and Usan (London and North Eastern Railway) | c 1931 |
| RHP130030-130032 | Two drawings and one blueprint showing elevations, plans, sections and details of masonry and steelwork for widening of bridge No 269 at St Skaes between Lunan Bay and Montrose (London and North Eastern Railway) | c 1931 |
| RHP130353-130354 | Two drawings showing elevations, plans, sections and details for widening of bridge No 259 at Hawkhill between Inverkeillor and Lunan Bay (London and North Eastern Railway) | c 1930 |
| RHP17625 | Plan of proposed widening of the North British Railway between Inverkeilor Station and rock cutting beyond Boddin. | 1900 |
| RHP24503 | 1. Ordnance Survey 1/2500 plan of Lunan marked to show locus of accident.
2. Plan of road near Lunan showing spot where body was found
3. Plan showing spot where body was found. | 1895 |
| RHP24511 | 1. Bound plan of land to be acquired by North British Railway.
2. Book of reference thereto.
3-4. Duplicates of Nos.1-2. | 1912 |
| RHP24636 | 1. Bound plans and sections of North British Railway showing lands to be acquired: 2. Book of reference thereto 3-4. Duplicates of Nos.1-2 | 1912 |
| RHP25149 | Plan and section of proposed doubling of line between Inverkeillor and Usan (London and North Eastern Railway). | 1924 |
| RHP25313 | Plan showing alterations to connections at Lunan Bay Station (North British Railway). | 1910 |
| RHP34480 | 1. Bound plans and sections of lands to be acquired for North British Railway. 2. Book of reference 3-4. Duplicates of 1-2. | 1912 |
| RHP75538 | Ordnance Survey 6 inch plan (Angus, sheet XXXIV.SE) 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] |
| RHP75567 | Ordnance Survey 6 inch plan (Angus, sheet XL.NE) marked to show farm boundaries | [1944-1955] |
| RHP75568 | Ordnance Survey 6 inch plan (Angus, sheet XL.NE) marked to show farm boundaries | [1944-1955] |
| RHP75572 | Ordnance Survey 6 inch plan (Angus, sheet XLI.NW) marked to show farm boundaries | [1944-1955] |
| RHP82030 | Photocopy of table of measurement of estate of Ethie, taken from Mr Blackadder's survey | May 1817 |
| RHP82033 | Photocopy of draft plan of Lunan Muir | [Early 19th century] |
| RHP82080 | Photocopy of sketch plan of Arbickie (Arbekie) and Lunan Muirs, with table of contents | 1834 |
| RHP86057 | Photocopy of Ordnance Survey 6 inch plan marked to show lands of Gightyburn, Whiteinn, Upper and Nether Dysart, and Buckiemill | [c 1904] |
| RHP86059 | Plans of estate of Craigo, Angus | Apr 1911 |
| RHP86272 | Ordnance Survey 1/2500 plan marked in vicinity of Redcastle and Lunan Bridge | [c 19th century] |
| RHP126370 | Drawing showing elevation, plan and section of masonry for doubling of Lunan Den Viaduct near Lunan Bay. (London and North Eastern Railway) | 1930 |
| RHP126371 | Hand coloured drawing showing elevation and plan of proposed drain at Lunan Den Viaduct. (London and North Eastern Railway) | 1931 |
| RHP126397 | Blueprint showing detail of outside girder for widening of Buckie Den Viaduct near Montrose (London and North Eastern Railway) | 1930 |
| RHP129997 | Hand coloured drawing showing elevation, plan, section and details of reconstruction of Lunan Water Viaduct (North British Railway): 1907 annotated with the signatory to the builder's offer. 5 September 1907 | 1907 |
| RHP130008 | Hand coloured drawing showing details of masonry work for doubling of Buckie Den Viaduct near Lunan Bay (London and North Eastern Railway) | 1930 |
| RHP135908 | Plan of proposed doubling of railway line between Inverkeilor Station and Usan, (London & North Eastern Railway Company) | 9 & 21 February 1931 |
| RHP143281 | Engineering drawing of bridge over Lunan Water at 6 miles 40 chains on Arbroath and Montrose Railway (North British Railway) | Late 19th century |
| RHP143400/12/129 | Ordnance Survey 6 inch plan, Angus, Sheet NO 75 SW | 1960s-1970s |