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OSBM Bolt 
OSBM Bolt on culvert at centre of stream, at side of A68 [3GL]; OSBM BOLT CUL C STREAM S SIDE RD.
Location
Grid reference: NT 7056 0605.
Landranger 80: Cheviot Hills & Kielder Water.
Structure: Culvert.
Waypoint: OS0938.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Hawick,
22.56km to the west.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Hexham to Hawick levelling line. The surveyor's description was OSBM Bolt on culvert at centre of stream, at side of A68.
Location
Grid reference: NT 7056 0605.
Landranger 80: Cheviot Hills & Kielder Water.
Structure: Culvert.
Waypoint: OS0938.
Neighbouring Flush Brackets
| 11282 | Whitelee Bridge 1.33km to the southeast. |
| 11413 | Ramshope Farm 3.21km to the southeast. |
| S7656 | Catcleugh 4.92km to the southeast. |
| 11414 | Charlies Hill (A6088) 6.12km to the west. |
| 11412 | Byrness Bridge 6.62km to the southeast. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Hexham to Hawick levelling line. The surveyor's description was OSBM Bolt on culvert at centre of stream, at side of A68.
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