A two-celled rectangular mine building. It has been divided equally, lengthways, and there is a concrete base for a boiler present. It is 7m long by 5m wide in total area. The double-thickness drystone walls comprise small to large unworked stones that have been built into irregular courses and measure 0.60m wide and 0.60m high. It is shown on the RCAHMW Aerial Photographic Interpretation.
P.J. Schofield, Oxford Archaeology North, 4th January 2006