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OSBM Bolt 
OSBM Bolt on concrete emplacement.
Location
Grid reference: NT 4668 2418.
Landranger 73: Peebles, Galashiels & Selkirk, Tweed Valley.
Structure: Unknown.
Waypoint: OS1351.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Hawick,
11.92km to the south.
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Innerleithen to Hawick levelling line. The surveyor's description was OSBM Bolt on concrete emplacement.
Location
Grid reference: NT 4668 2418.
Landranger 73: Peebles, Galashiels & Selkirk, Tweed Valley.
Structure: Unknown.
Waypoint: OS1351.
Neighbouring Flush Brackets
| G371 | Dryden 1.28km to the southeast. |
| G372 | Ashkirktown 2.61km to the south. |
| G4410 | Ashkirktown 2.61km to the south. |
| G370 | South Common 3.56km to the north. |
| G373 | Synton Mossend 3.76km 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 Innerleithen to Hawick levelling line. The surveyor's description was OSBM Bolt on concrete emplacement.
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