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OSBM Bolt 
OSBM Bolt in rock [3GL].
Location
Grid reference: NG 8473 2763.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1753.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Dornie,
4.16km 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 Achnasheen levelling line. The surveyor's description was OSBM Bolt in rock.
Location
Grid reference: NG 8473 2763.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1753.
Neighbouring Flush Brackets
| G4432 | Nostie Bridge Power Station 620.08m to the southeast. |
| G4431 | Nostie 1.21km to the east. |
| G4433 | By Lochalsh Dam 1.55km to the north. |
| G1750 | Dornie, by Loch Duich Hotel 3.27km to the east. |
| G1748 | Braeintra 5.16km to the north. |
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Dornie to Achnasheen levelling line. The surveyor's description was OSBM Bolt in rock.
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