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An Ordnance Survey Bench mark (BM) is a survey mark made by the Ordnance Survey to record height above the Ordnance Datum.

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Q: What is a ordnance Survey Bench Mark?
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Related questions

When was Ordnance Survey International created?

Ordnance Survey International was created in 1946.


Where can one find an ordnance survey map?

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.


What is meant by GTS Bench Mark?

GTS stands for Great Trigonometrical Survey. This is a standard bench mark marked with respect to Mean Sea Level.


Why is the ordnance survey called the ordnance survey?

The name dates back to World War II. Much of the mapping carried out during the war was done by the Department of Ordnance (the guys who take care of munitions, artillery, tanks etc.). Their maps then, were known as Ordnance Survey maps. Today, Ordnance Survey maps are carried out by civilian teams and have nothing to do with ordnance but the name has stuck.


What are OS maps?

ordnance survey maps. maps made by the ordnance survey


Importance of ordnance survey maps to uniformed public services?

what is the importance of a ordnance survey map to uniformed public services?


What is the full form of GTS bench mark in field of survrying?

Grand traingular survey


Where is the ordnance survey based?

The UK


What is ordnance survey symbol?

it is a line


On an ordance survey map which animal represents a zoo?

The Ordnance Survey is the national mapping agency of Great Britain. On an Ordnance Survey map, a zoo is represented by an elephant.


Full form of gts bench mark?

GTS benchmark is called Great trigometical survey benchmark. its position is decided by survey of India department. it RL is decided with reference to MEAN SEA LEVEL. no of benchmark, position and location is given in catalogue of survey of India department.


What does OS mean on maps?

Ordnance Survey