High Main Coal Seam red plaque

This red commemorative plaque records: The High Main Coal Seam. Surface coal was discovered here in medieval times. In the 18th and 19th Centuries, deep mining of this high quality household coal for sale to London drove the industrial development of the area. Recorded plaque organisation: Heaton History Group, Heritage Lottery Fund.

The High Main Coal Seam is a significant geological formation that fueled industrial growth in the region during the 18th and 19th centuries by supplying high-quality coal to London, thereby playing a crucial role in Britain's Industrial Revolution.