Lairg (1950) Fundamental Bench Mark   

Location
Grid reference: NC 5723 0764.
Landranger 16: Lairg & Loch Shin, Loch Naver.
GPS network passive station: H1NC5707.
Waypoint: FM0477.

Neighbouring Flush Brackets

G1849	Lairg, Sutherland Arms Hotel 1.66km to the southeast.
G1921	Lairg, Bridge End House 1.82km to the southeast.
S7768	Colaboll ? 3.08km to the northwest.
G1920	Claonel 3.12km to the south.
G1850	Lairg, Station 3.87km to the south.

The nearest fundamental bench mark is Lairg (1946), 364.01m to the south.

Second Geodetic Levelling, Scotland (1936-52)
This fundamental bench mark was used during the Second geodetic levelling, Scotland, and was levelled with a height of 396.1112 feet [120.7347 metres] above mean sea level (Newlyn datum). It was included on the Lairg to Loch Naver levelling line.

Third Geodetic Levelling, Scotland (1956-68)
This fundamental bench mark was used during the Third geodetic levelling, Scotland, and was levelled with a height of 396.1112 feet [120.7347 metres] above mean sea level (Newlyn datum). It was included on the Lairg to Loch Naver, Lairg to Tain and Ledmore to Lairg levelling lines.