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OSBM Bolt 
OSBM Bolt on bridge parapet [3GL]; OSBM BOLT BR PARA NW SIDE RD 1.5M SW C STR.
Location
Grid reference: NG 8607 2993.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Bridge.
Waypoint: OS1738.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Dornie,
4.75km 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 on bridge parapet.
Location
Grid reference: NG 8607 2993.
Landranger 33: Loch Alsh, Glen Shiel & Loch Hourn.
Structure: Bridge.
Waypoint: OS1738.
Neighbouring Flush Brackets
| G4433 | By Lochalsh Dam 1.21km to the southwest. |
| G1748 | Braeintra 2.62km to the north. |
| G4431 | Nostie 2.78km to the south. |
| G4432 | Nostie Bridge Power Station 2.81km to the south. |
| G1747 | Achmore Bridge 3.34km 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 on bridge parapet.
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