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OSBM Bolt 
OSBM Bolt in rock [3GL]; OSBM BOLT ROCK 4.6M W SIDE RD.
Location
Grid reference: NG 8519 2814.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1737.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Dornie,
4.01km 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 8519 2814.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1737.
Neighbouring Flush Brackets
| G4432 | Nostie Bridge Power Station 890.51m to the south. |
| G4433 | By Lochalsh Dam 980.20m to the north. |
| G4431 | Nostie 1.18km to the southeast. |
| G1750 | Dornie, by Loch Duich Hotel 3.06km to the southeast. |
| G1748 | Braeintra 4.54km 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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