File:Ordnance Survey One-Inch Sheet 50 Forfar, Published 1959.jpg
![File:Ordnance Survey One-Inch Sheet 50 Forfar, Published 1959.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Ordnance_Survey_One-Inch_Sheet_50_Forfar%2C_Published_1959.jpg/500px-Ordnance_Survey_One-Inch_Sheet_50_Forfar%2C_Published_1959.jpg?20180430140507)
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