Johnston's map of the county of Caithness with the railways /
W. & A.K. Johnston Limited.
William Blackwood and Sons.
Cowan & Co.
James Lumsden & Son.
[Edinburgh : William Blackwood & Sons, W. & A.K. Johnston, and Cowan & Co. ; Glasgow : J. Lumsden & Son,
ca. 1855].
Relief shown by hachures.
Imprint derived from atlas in which the map was published.
Issued by Blackwood & Sons, in "Atlas of Scotland"  from 1855.
Re-engraved by W. & A.K. Johnston from plates for John Thomson's "Atlas of Scotland" which they purchased in 1838 ; subsequently reissued.
Originally issued with title "Caithness Shire".
Numbered "27" top right, outside margins.
Hand shaded boundaries.
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