| Description | Plans relating to Miners' Welfares, including Hasland and Grassmoor, Langley Mill, Marehay, Killamarsh, and Clay Cross and Danesmoor; plans relating to collieries, including Cossall, Doe Lea, Pleasley, Manners and Woodside collieries, and Grassmoor; and plans relating to various properties managed by the National Union of Mineworkers (NUM) Derbyshire Area, including the Area Secretary's house and Miners' Offices in Chesterfield. |