| skos:altLabel | - O.S.
- OS
- map
- mapping
- Survey Department
- Ordnance
- ''Quadrant''
- Ordnance Department
- Ordnance Office
- OS Grid Reference
- Ordnance Survey buildings
- County Series
- British survey
- First Edition Ordnance Survey
- Name Book
- O-S
- OS Grid ref.
- OS Landranger sheet
- OS Map
- OS Maps
- OS Name Book
- OS OpenData
- OS map
- OS maps
- OS plan
- OS recorded
- OSGB
- Ordnance Survey (OS)
- Ordnance Survey Map
- Ordnance Survey Trading
- Ordnance Survey Trading Fund
- Ordnance Survey map
- Ordnance Survey maps
- Ordnance Survey of Great Britain
- Ordnance Survey#OS OpenData
- Ordnance Survey's
- map reference
- name book
- one inch to the mile
- ordnance Survey
- ordnancesurvey
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