A guide to records of the Derbyshire coal mining industry (written March 1993, updated June 2020).Development of coal mining in DerbyshireThere has been coal mining in Derbyshire since the medieval period. Mining initially took place along the eastern edge of the county, around Dronfield, Chesterfield, Alfreton, Ripley and Heanor, where the coal seams occur close to … Continue reading Coal mining records