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OSBM Bolt 
OSBM Bolt in rock [3GL].
Location
Grid reference: NG 9544 1630.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1685.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Glen Cluanie,
11.48km to the southeast.
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Dornie to Glen Cluanie levelling line. The surveyor's description was OSBM Bolt in rock.
Location
Grid reference: NG 9544 1630.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1685.
Neighbouring Flush Brackets
| G1760 | by Achnagart 1.39km to the southeast. |
| G1759 | Shiel Bridge, School House 2.80km to the northwest. |
| G1761 | Malagan Bridge 2.81km to the southeast. |
| G1758 | Ault a'chruinn 4.04km to the north. |
| G1762 | Eilean a' Chuilinn 4.20km to the southeast. |
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Dornie to Glen Cluanie levelling line. The surveyor's description was OSBM Bolt in rock.
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