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OSBM Bolt 
OSBM Bolt in rock.
Location
Grid reference: NG 7981 2877.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1224.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Dornie,
9.15km to the east.
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Spean Bridge to Dornie levelling line. The surveyor's description was OSBM Bolt in rock.
Location
Grid reference: NG 7981 2877.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1224.
Neighbouring Flush Brackets
| G4488 | Kyleakin, King's Arms Hotel 5.35km to the southwest. |
| G4433 | By Lochalsh Dam 5.37km to the east. |
| G4432 | Nostie Bridge Power Station 5.62km to the east. |
| G4431 | Nostie 6.25km to the east. |
| G1747 | Achmore Bridge 7.28km 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 Spean Bridge to Dornie levelling line. The surveyor's description was OSBM Bolt in rock.
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