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Ordnance Survey – Great Britain's national mapping agency
The abbreviation 'Trig Sta' stands for Trigonometrical Station.
Source: Module 6, Section L, Revised to Amendments Nos 2 (May1986) and 4 (October 1987).
All reasonable steps have been taken to ensure that the information contained in these Geofacts is correct; Ordnance Survey does not warrant their accuracy. Please independently verify their accuracy before relying on them.
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