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OSBM Bolt 
OSBM Bolt in rock [3GL].
Location
Grid reference: NC 2003 3664.
Landranger 15: Loch Assynt, Lochinver & Kylesku.
Structure: Rock outcrop.
Waypoint: OS1848.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Laxford Bridge,
10.70km 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 Ledmore to Laxford Bridge levelling line. The surveyor's description was OSBM Bolt in rock.
Location
Grid reference: NC 2003 3664.
Landranger 15: Loch Assynt, Lochinver & Kylesku.
Structure: Rock outcrop.
Waypoint: OS1848.
Neighbouring Flush Brackets
| G1926 | Kylestrome 2.99km to the southeast. |
| G1822 | Eilean na Rainich 3.73km to the southeast. |
| G1823 | Kylesku Hotel 4.09km to the southeast. |
| 12126 | Drumbeg Hotel 8.78km to the southwest. |
| S7855 | Coire nan Laogh 9.61km 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 Ledmore to Laxford Bridge levelling line. The surveyor's description was OSBM Bolt in rock.
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