Ordnance Survey, 1:100,000 index maps, England and Wales, 1966-1972

This set of maps at a scale of 1:100,000 were intended as county-based indexes to larger-scale County Series and National Grid maps. The County Series sheet lines (relating to the Six-Inch and 25 inch to the mile maps of England and Wales published before the Second World War) are shown as a red overprint, with National Grid sheet lines (relating to National Grid maps published after the Second World War), shown in black. The underlying topography is based on the One-Inch Seventh Series.
These sheet lines to County Series and National Grid maps are also viewable in our Records viewer.
- View the County Index maps with a graphic index.
- View all the index maps with a graphic index.
Sheet Number and Name | Date of Publication | Indexes and boundaries shown |
---|---|---|
Anglesey and Caernarvonshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Bedfordshire | Published: 1967 | 6 inch, 25 inch, National Grid |
Berkshire | Published: 1967 | 6 inch, 25 inch, National Grid |
Brecknockshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Buckinghamshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Cambridgshire and Isle of Ely | Published: 1967 | 6 inch, 25 inch, National Grid |
Cardiganshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Carmarthenshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Cheshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Cornwall | Published: 1966 | 6 inch, 25 inch, National Grid |
Cumberland | Published: 1968 | 6 inch, 25 inch, National Grid |
Denbighshire and Flintshire | Published: 1972 | 6 inch, 25 inch, National Grid |
Derbyshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Devonshire (north part) | Published: 1966 | 6 inch, 25 inch, National Grid |
Devonshire (south part) | Published: 1967 | 6 inch, 25 inch, National Grid |
Dorset | Published: 1967 | 6 inch, 25 inch, National Grid |
Durham | Published: 1968 | 6 inch, 25 inch, National Grid |
Essex | Published: 1968 | 6 inch, 25 inch, National Grid |
Glamorgan | Published: 1970 | 6 inch, 25 inch, National Grid |
Gloucestershire | Published: 1967 | 6 inch, 25 inch, National Grid |
Hampshire with the Isle of Wight | Published: 1967 | 6 inch, 25 inch, National Grid |
Herefordshire | Published: 1967 | 6 inch, 25 inch, National Grid |
Hertfordshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Huntingdon and Peterborough | Published: 1967 | 6 inch, 25 inch, National Grid |
Kent | Published: 1967 | 6 inch, 25 inch, National Grid |
Lancashire | Published: 1969 | 6 inch, 25 inch, National Grid |
Leicestershire | Published: 1967 | 6 inch, 25 inch, National Grid |
Lincolnshire (north part) | Published: 1969 | 6 inch, 25 inch, National Grid |
Lincolnshire (south part) | Published: 1969 | 6 inch, 25 inch, National Grid |
Merionethshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Monmouthshire | Published: 1970 | 6 inch, 25 inch, National Grid |
Montgomeryshire and Radnorshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Norfolk | Published: 1968 | 6 inch, 25 inch, National Grid |
Northamptonshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Northumberland | Published: 1968 | 6 inch, 25 inch, National Grid |
Nottinghamshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Oxfordshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Pembrokeshire | Published: 1971 | 6 inch, 25 inch, National Grid |
Rutland | Published: 1966 | 6 inch, 25 inch, National Grid |
Shropshire | Published: 1968 | 6 inch, 25 inch, National Grid |
Somerset | Published: 1966 | 6 inch, 25 inch, National Grid |
Staffordshire | Published: 1966 | 6 inch, 25 inch, National Grid |
Suffolk | Published: 1968 | 6 inch, 25 inch, National Grid |
Surrey | Published: 1968 | 6 inch, 25 inch, National Grid |
Sussex | Published: 1968 | 6 inch, 25 inch, National Grid |
Warwickshire | Published: 1967 | 6 inch, 25 inch, National Grid |
Westmorland | Published: 1967 | 6 inch, 25 inch, National Grid |
Wiltshire | Published: 1967 | 6 inch, 25 inch, National Grid |
Worcestershire | Published: 1967 | 6 inch, 25 inch, National Grid |
Yorkshire North Riding (west part) | Published: 1968 | 6 inch, 25 inch, National Grid |
Yorkshire North Riding (east part) | Published: 1969 | 6 inch, 25 inch, National Grid |
Yorkshire West Riding (south part) | Published: 1969 | 6 inch, 25 inch, National Grid |
Yorkshire West Riding (north part) | Published: 1969 | 6 inch, 25 inch, National Grid |
Yorkshire East Riding | Published: 1968 | 6 inch, 25 inch, National Grid |