00537nam a2200133Ia 4500008004100000040001700041082002400058110005700082245010900139260006300248300001300311500004400324650003500368190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta912.42bD597A  aDirectorGeneral of the Ordnance Survey (Chessington) 0aAncient Britain North sheetba map of the major visible antiquities of Great Britain older than A D 1066  aChessingtonbDirector General of the Ordnance Surveyc1951  a36p+Maps  aLibrary has Ancient Britain South sheet  aGreat Britain-Antiquities-Maps