Abbreviation
O
Definition
First edition Ordnance Survey 1″ maps.
Source Type
source
Total occurrences: 1132
Location
All Counties 1132
Bedfordshire and Huntingtonshire 10
Buckinghamshire 54
Derbyshire 408
Leicestershire 259
Lincolnshire 279
Rutland 55
Worcestershire 66
Yorkshire, West Riding 1