Ordinance Survey Map of Caithness, and the parishes of Watten, Bower and Halkirk (Sheet 18). Sites of archaeological significance annotated with red markers.
Ordinance Survey Map of Caithness, and the parishes of Watten, Bomer and Wick (Sheet 19). Sites of archaeological significance annotated with red markers.
Ordinance Survey Map of Caithness, and the parishes of Dunnet, Watten, Halkiek and Thurso (Sheet 12). Sites of archaeological significance annotated with red markers.