OSBM Bolt   

OSBM Bolt on concrete culvert [3GL]; OSBM BOLT CUL NW SIDE RD - note location corrected to NN 1943 8054 from originally indicated NN 1960 8054.

Location
Grid reference: NN 1943 8054.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Landranger 41: Ben Nevis, Fort William & Glen Coe.
Structure: Culvert.
Waypoint: OS1004.

Neighbouring Flush Brackets

G1167	Aonachan 1.60km to the northeast.
G1053	Spean Bridge 3.01km to the northeast.
G1052	Allt Mairi 3.67km to the north.
G1168	Coilleachampa 4.35km to the southwest.
G4441	Loy Bridge 4.78km to the west.

The nearest fundamental bench mark is Spean Bridge, 2.31km to the northeast.

Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Loch Leven to Spean Bridge levelling line. The surveyor's description was OSBM Bolt on concrete culvert.

Logged Visits
Logged on 2nd July 2008 by dal. Condition: Couldn't find it.
Couldn't find a culvert at NN19608054. On my return I find the OS database says 'NN 1943 8054 BOLT OSBM BOLT CUL NW SIDE RD' Order 1 Levelled 1957, so the 3GL log might be wrong, and I was probably looking in the wrong place.