Ordnance Survey Rivet
Introduction
The photograph on this page of Ordnance Survey Rivet by V1ncenze 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.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © V1ncenze Taken: 23 Jan 2020
This rivet is located at Gregory Mill lock on the Worcester to Birmingham canal. These marks were used by Ordnance Survey for mapping purposes.