OS benchmark - Blakenhall Heath, 30 Ryle Street
Introduction
The photograph on this page of OS benchmark - Blakenhall Heath, 30 Ryle Street by Richard Law 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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Image: © Richard Law Taken: 27 Sep 2016
An OS cutmark on the front wall of 30 Ryle Street; originally levelled, probably in 1957, at 148.87m above Ordnance Datum Newlyn.