| Reference | Title | Date |
| RHP82274 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |
| RHP82274/1 | Plans and sections of Tain Water, proposed reservoir at St David's Well and conduit to Tain, Ross and Cromarty | Nov 1865 |