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SK53

Just noticed that the southernmost base tower of the Lough Foyle baseline for the triangulation of Ireland was mismapped on . Now corrected: openstreetmap.org/way/10179031. The baseline was a major milestone for detailed mapping of the British Isles (trigpointing-ireland.org.uk/ab)

This is the most accessible of the base towers, something I didn't know 6 years ago.

Image: geograph.org.uk/photo/4033137 © Copyright Mat Tuck and licensed for reuse under CC-BY 2.0 Creative Commons Licence.

A low mortared stone tower with a railing sits in a gently sloping grass field. The tower was the southern end of the Lough Foyle baseline used to triangulate Ireland in the 1820s and 1830s.
Sep 22, 2023, 02:39 PM·Public
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