Ordnance Survey Abbreviations

We are very grateful to Dr Richard Oliver for compiling this list and allowing us to use it. The abbreviations have been compiled from a number of sources, relating to all scales of Ordnance Survey mapping in Scotland, England and Wales. For more information on these abbreviations and their interpretation, please consult Richard Oliver's book Ordnance Survey maps: a concise guide for historians (London : Charles Close, 1993).

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(o)Open (boulder density)
OOffice
OOld
OOrchard
ObsyObservatory
OctOctagonal
OctOctober
OEOrignal Error
OGOrnamental Ground
ONOven
OPPOpposite
OROrchard
OROutcropping Rock
OrchOrchard
OrkneyOrkney
OSOut Stipple
OSBMOrdnance Survey Bench Mark
OSGBOrdnance Survey Great Britain
OST, OSTsOrdinary Spring Tide(s)
OT, OTsOrdinary Tide(s)
OxonOxfordshire

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