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OSBM Bolt 
OSBM Bolt in rock [3GL]; OSBM BOLT ROCK 8.0M NW SIDE RD 20.4M SW STR.
Location
Grid reference: NG 7224 2584.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1215.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Dornie,
16.24km 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 7224 2584.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Rock outcrop.
Waypoint: OS1215.
Neighbouring Flush Brackets
| G4488 | Kyleakin, King's Arms Hotel 2.82km to the east. |
| G4445 | Broadford, School 7.63km to the west. |
| G4446 | Broadford, Bridge 8.51km to the west. |
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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