Probable mine shaft, A616
Introduction
The photograph on this page of Probable mine shaft, A616 by Humphrey Bolton 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: © Humphrey Bolton Taken: 14 Apr 2009
This one is not marked on OS maps, but there is a larger circular shaft nearby captioned "Air Shaft". There is an access hatch on the top, but only a small hole for ventilation, so perhaps this is the top of an access shaft.