Ordnance Survey : administrative areas and 1974 changes.
Great Britain.Ordnance Survey.
Southampton : Ordnance Survey,
1973.
Relief shown by spot heights.
"Boundaries as at 1st April, 1972"
Includes overprint in green: "Local Government Act 1972, interim map of administrative areas to be operative 1974 ... county and district areas to be effective 1st  April 1974 ...Information as notified to 1-12-72 ... ".
Changes proposed affect England only.
Includes indexes and insets.