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OSBM Bolt 
OSBM Bolt in rock.
Location
Grid reference: NH 1463 5613.
Landranger 25: Glen Carron & Glen Affric.
Structure: Rock outcrop.
Waypoint: OS1751.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Achnasheen,
2.62km 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 Dornie to Achnasheen levelling line. The surveyor's description was OSBM Bolt in rock.
Location
Grid reference: NH 1463 5613.
Landranger 25: Glen Carron & Glen Affric.
Structure: Rock outcrop.
Waypoint: OS1751.
Neighbouring Flush Brackets
| G1731 | Strath Bran 4.05km to the northeast. |
| G1732 | By Loch Sgamhain 5.62km to the southwest. |
| G1733 | Loan Bridge 6.79km to the southwest. |
| G1730 | By Dosmuckeran 7.03km to the northeast. |
| G1734 | Glencarron Lodge (A890) 9.68km to the southwest. |
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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