Finely executed map of Scotland, based upon James Dorret's General Map of Scotland . . . , issued in 1750.
Dorret's map of Scotland was the standard depiction of Scotland for the next 40 years, used by the likes of Thomas Kitchin, Marcus Armstrong, and Robert Campbell.
Dorret utilzed the work from William Roy's Military Survey of Scotland, along with other contemporary sources, includng Dorret's own estate survey for the Duke of Argyll.