Mines Department - 1929 ‘Catalogue of Plans of Abandoned Mines’ Vol II, Cornwall, Devon, Dorset, Gloucester, Kent, Somerset, Stafford, Worcester, H.M.S.O., disbound
Mines Department - 1929 ‘Catalogue of Plans of Abandoned Mines’ Vol II, Cornwall, Devon, Dorset, Gloucester, Kent, Somerset, Stafford, Worcester, H.M.S.O., disbound