At first sight this looks like a sand quarry but given the location it's probably a salt storage depot
Introduction
The photograph on this page of At first sight this looks like a sand quarry but given the location it's probably a salt storage depot by Dr Duncan Pepper 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: © Dr Duncan Pepper Taken: 11 Nov 2011
This is the (in)famous grit that we run out of every winter when it snows.