| RHP6575 | Plans of West Highland Railway lines 2-6 between Tulloch and Glenfinnan, Inverness-shire | 1888 |
| RHP6575/1 | Plan of line 2 of West Highland Railway, Inverness-shire | 1888 |
| RHP6575/2 | Plan of lines 2, 3, 4, 5 & 6 of West Highland Railway, Inverness-shire | 1888 |
| RHP6575/3 | Plan of line 3 of West Highland Railway, Inverness-shire | 1888 |
| RHP11606 | Plan of intended road from Fort William to Loch Nan Ceall (Loch Na Gaul) [at Arisaig]. | 1796 |
| RHP11625 | Plan of intended road between the inn at Arisaig and Fort William | 1803 |
| RHP11627 | Plan of intended road between the Ferry of Corran and Loch Moidart Head. | 1804 |
| RHP130203-130205 | Three drawings showing elevations, plans, sections and details of masonry and steelwork for renewal of bridge No 90 at Essan on Mallaig Extension (North British Railway) | c 1921 |
| RHP130206-130208 | Three hand coloured drawings showing elevations, plans, sections and details of bridge over Mallaig Railway at Arienskill to be built under Northern Counties Special Road Scheme 1935 (London and North Eastern Railway) | 1939 |
| RHP13162 | Sketch plan of Bunacaimb (Buncaimbe): 1891. | 1891 |
| RHP14181 | Sketch plan of road at Glenfinnan | 1921 |
| RHP15109 | Plan and section of the extension of the West Highland Railway from Banavie to Mallaig | 1893 |
| RHP20921 | Sketch plan of Inverailort | 1919 |
| RHP22209 | Plans of North British Railway pier and works at Glenfinnan, Argyll | 1912 |
| RHP22209/1 | Plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/1/1 | Front cover of plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/1/2 | Plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/2 | Plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/2/1 | Front cover of plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/2/2 | Plan and sections of North British Railway pier and works at Glenfinnan, Argyll | Nov 1912 |
| RHP22209/3 | Book of reference and gazette notice for plans of North British Railway pier and works at Glenfinnan, Argyll | 1912 |
| RHP22209/4 | Book of reference and gazette notice for plans of North British Railway pier and works at Glenfinnan, Argyll | 1912 |
| RHP25277 | Architectural drawing of proposed waiting shed with open front for Glenfinnan Station , [West Highland Railway], Inverness-shire | 12 Mar 1903 |
| RHP25278 | Part of Ordnance Survey 6 inch plan marked to show Glenfinnan Station and pier at Loch Shiel, Inverness-shire, North British Railway | 24 Oct 1912 |
| RHP25279 | Plan of Glenfinnan Station, Inverness-shire, West Highland Railway | 1902 |
| RHP25280 | Architectural drawing of proposed stable for Mr Stewart at Glenfinnan, Inverness-shire, North British Railway | 2 Jul 1914 |
| RHP25281 | Plan showing position of stable at Glenfinnan (North British Railway). | 1911 |
| RHP25282 | Plans showing site of proposed stable and septic tank at Glenfinnan, Inverness-shire, North British Railway | 1913 |
| RHP25282/1 | Plan showing site of proposed stable at Glenfinnan, Inverness-shire, North British Railway | 1913 |
| RHP25282/2 | Plan showing site of proposed stable at Glenfinnan, Inverness-shire, North British Railway | 4 Dec 1913 |
| RHP25283 | Plan and sections showing ground proposed to be acquired for pier at Glenfinnan, North British Railway, Inverness-shire | 2 Dec 1912 |
| RHP25284 | Plans and sections (2) of ground proposed to be acquired for pier at Loch Shiel (North British Railway) | 1913 |
| RHP25642 | Plans showing land near the Glenfinnan Viaduct claimed by head stalker from the London and North Eastern Railway, Inverness-shire | 1923 |
| RHP25642/1 | Plan of land near the Glenfinnan Viaduct claimed by head stalker from the London and North Eastern Railway. | 26 July 1923 |
| RHP25642/2 | Plan of land near the Glenfinnan Viaduct, Inverness-shire, London and North Eastern Railway | 1923 |
| RHP27038 | Gradient diagram of the West Highland Railway from Banavie to Glenfinnan. | 1898 |
| RHP28128 | Plan showing position of pier at Arisaig (North British Railway) | 1914 |
| RHP28130 | Ordnance Survey 6 inch plan marked to show line of proposed road at Vraimore Cottage (West Highland Railway): [1899 or post] | 1899 |
| RHP34125 | Admiralty chart of Sleat Sound with inset of head of Loch Nevis. (Vignette of Ornsay Lighthouse) | 1895 |
| RHP34166 | Admiralty chart of Arisaig Harbour. (Vignette of entrance) | 1876 |
| RHP36412 | Plan of Glenfinnan Station. Inverness-shire, West Highland Railway | 22 Aug 1898 |
| RHP36413 | Plans of Arisaig Station, West Highland Railway-Mallaig Extension, Inverness-shire | 1898 |
| RHP36413/1 | Plan of Arisaig Station, West Highland Railway-Mallaig Extension, Inverness-shire | 14 Jul 1898 |
| RHP36413/2 | Plan of Arisaig Station, West Highland Railway-Mallaig Extension, Inverness-shire | 14 Mar 1898 |
| RHP36542 | Plan of proposed platform at base camp for Lochaber Water Power Contract. | 1925 |
| RHP40996 | Plan of parts of lands of Moidart, Inverness-shire | 1824 |
| RHP44716 | Plan of lands north of Loch Shiel, Inverness-shire | Mid 19th century |
| RHP44717 | Plan of part of estate of Arisaig. | [late 19th century] |
| RHP46311 | Plan and sections of old and new parts of Graig Road at Roshven | 11 January 1890 |
| RHP46312 | Sections of parts of road from Kinlochailort to Glen Uig | December 1889 |
| RHP46313 | Section of new road at Roshven | December 1889 |
| RHP46399 | Ordnance Survey 6 inch plan marked to show road from near Kinlochmoidart to Kinlochmoidart and new road at Roshven | 18 January 1890 |
| RHP46440 | 1. Bound plans and sections of West Highland Railway extension from Banavie Locks to Mallaig with proposed pier and breakwater at Mallaig 2. Book of reference (Gazette notice bound in) 3. Duplicate of no.1 | March 1893 |
| RHP46441 | Bound plans and sections of West Highland Railway extension to Mallaig with proposed pier and breakwater at Mallaig | November 1893 |
| RHP46460 | Plans and sections with book of reference of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/1 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/1/1 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/1/2 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/2 | Book of reference of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/3 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/3/1 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/3/2 | Plans and sections of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP46460/4 | Book of reference of North British Railway new pier and works at Glenfinnan, deepening of River Callop and other works, Inverness-shire | November 1912 |
| RHP79103 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXX) marked to show farm boundaries | [1944-1955] |
| RHP79104 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXI) marked to show farm boundaries | [1944-1955] |
| RHP79105 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXII) marked to show farm boundaries | [1944-1955] |
| RHP79106 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXIII) marked to show farm boundaries | [1944-1955] |
| RHP79117 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXXIV) marked to show farm boundaries | [1944-1955] |
| RHP79118 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXXV) marked to show farm boundaries | [1944-1955] |
| RHP79119 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXXVI) marked to show farm boundaries | [1944-1955] |
| RHP79120 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXXXVII) marked to show farm boundaries | [1944-1955] |
| RHP79130 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXLVII) marked to show farm boundaries | [1944-1955] |
| RHP79131 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXLVIII) marked to show farm boundaries | [1944-1955] |
| RHP79132 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXLIX) marked to show farm boundaries | [1944-1955] |
| RHP79133 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CXLIXA) marked to show farm boundary | [1944-1955] |
| RHP79140 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CLVII) marked to show farm boundaries | [1944-1955] |
| RHP79141 | Ordnance Survey 6 inch plan (Inverness-shire, sheet CLVIII) marked to show farm boundaries | [1944-1955] |
| RHP84486 | Architectural drawing and site plan, of house at 16 3/4 mile post, Glenfinna, Inverness-shire, British Railways | [c 1948] |
| RHP121933 | Tracing showing elevation, plan and sections of Borrodale viaduct east of Arisaig on West Highland Railway. (North British Railway) | [c 1923] |
| RHP122668 | Plan of line at Glenfinnan Station, Inverness-shire, North British Railway | 4 Dec 1913 |
| RHP130198 | Architectural drawings of viaduct at Glenfinnan on Mallaig Extension, North British Railway, Inverness-shire | 10 Dec 1921 |
| RHP130199 | Elevation and sections of viaduct at Glenfinnan on Mallaig Extension, Inverness-shire, London and North Eastern Railway | c 1925 |
| RHP130200 | Elevation and sections of viaduct at Glenfinnan on Mallaig Extension, Inverness-shire, London and North Eastern Railway | c 1925 |
| RHP130201 | Drawings of viaduct at Glenfinnan on Mallaig Extension, Inverness-shire, London and North Eastern Railway | c 1925 |
| RHP130202 | Hand coloured drawing showing elevation plan and sections of bridge No 90 at Essan at Loch Eilt on Mallaig Extension (North British Railway) | 1921 |
| RHP130209 | Drawing showing elevation, plan and sections of viaduct at Arnabol Burn between Lochailort and Beasdale on Mallaig Extension (West Highland Railway) | c 1900 |
| RHP130210 | Drawing showing elevation, plan and sections of Lochnanuach Viaduct [No 115] near Beasdale on Mallaig Extension (West Highland Railway) | c 1900 |
| RHP130211 | Drawing showing elevations, plans and section of bridges Nos 120 and 124 over public roads near Beasdale on Mallaig Extension (West Highland Railway) | c 1900 |
| RHP130212 | Drawing showing elevation, plan and section of viaduct [No 133] over Laraiche Moive Burn near Arisaig on Mallaig Extension (West Highland Railway) | c 1900 |
| RHP135951 | Hand tinctured plan of track and lan at Glenfinnan Station (North British Railway) | 13 January 1914 |
| RHP141145 | Plan of part of Loch Shiel, Inverness-shire | Jan 1845 |
| RHP143000/2/21 | Ordnance Survey 1 inch map (Sheet 61, [Arisaig]) | 1885 |
| RHP143000/2/22 | Ordnance Survey 1 inch map (Sheet 62, [Loch Eil]) | 1875 |