Map No. 11, Thurso & Dunbeath, in the Ordnance Survey Landranger series at 1:50, 000, including Lower Dounreay, Reay, Shebster, Westfield, Halkirk, Castletown, Slickly, Bower, Catchory, Watten, Spittal, Westerdale, Bilbster, Roster, Lybster, Latheronwheel, Braemore, Loch Calder, Loch Heilen, Loch Scarmclate, Loch Shurrary, Loch More, the peaks of Cnoc an Fhuarain Bh