1GL benchmark on milestone (Holyhead 24) on Holyhead Road, Bangor
Introduction
The photograph on this page of 1GL benchmark on milestone (Holyhead 24) on Holyhead Road, Bangor by Meirion as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
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1GL benchmark on milestone (Holyhead 24) on Holyhead Road, Bangor
Image: © Meirion Taken: 25 Aug 2010
This worn 1GL benchmark located on one of Thomas Telford's original milestones on Holyhead Road in Bangor was used during the Ordnance Survey's First Primary Levelling on the line between Warrington and Pembroke Docks, between September 1851 and July 1852. This mark was mark No.2 on a branch line between Bangor and Holyhead. The Ordnance Survey database shows that this mark was last inspected in 1955 and is 41.6753m above the Newlyn datum. See also: Image
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Image Location
Latitude
53.224624
Longitude
-4.135547