A small orange rectangle or square with no border around it
It means a "Public House"
It is a nature reserve.
There are many places where one can find an ordnance survey map. One looking to find an ordnance survey map should visit the official Ordnance Survey website and click the 'Get a Map' link.
It refers to a Pump or Pump house
The Ordnance Survey is the national mapping agency of Great Britain. On an Ordnance Survey map, a zoo is represented by an elephant.
Ordnance Survey
PH. This stands for Public House, i.e. Pub/Bar
what is the importance of a ordnance survey map to uniformed public services?
Alley
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Ordnance Survey maps.
The symbol for a train station on an Ordnance Survey map is a black dot with a central white circle. It is typically labeled with the abbreviation "Stn" for station.