Layers within brick channel at Cyfarthfa Ironworks excavation
Introduction
The photograph on this page of Layers within brick channel at Cyfarthfa Ironworks excavation by Nigel Davies 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: © Nigel Davies Taken: 7 Sep 2013
The different exposed layers show how this arched channel was constructed. The dark upper surface on the highest base layer hints that this channel was exposed to great heat.
