Ordnance survey map: Norbury, Ilam, Hartington, Hindlow, Miller's Dale, Castleton, Foston, Ashbourne, Tissington, Friden, Lathkill, Ashford, Longstone, Hucklow, Bradwell, Hope, Castleton, Derwent Dams (marked IX) Scale 1:25,000 with industrial/archaeological sites marked. The maps are arranged in groups with lists of places attached to each group 1950s