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OSBM Bolt 
OSBM Bolt on culvert, SW side of road, centre of Dean Burn.
Location
Grid reference: NT 5566 1285.
Landranger 80: Cheviot Hills & Kielder Water.
Structure: Unknown.
Waypoint: OS0945.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Hawick,
6.74km 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, SW side of road, centre of Dean Burn.
Location
Grid reference: NT 5566 1285.
Landranger 80: Cheviot Hills & Kielder Water.
Structure: Unknown.
Waypoint: OS0945.
Neighbouring Flush Brackets
| 11280 | Hawthornside 1.54km to the southeast. |
| 11279 | Kirkton 2.05km to the northwest. |
| 11421 | Midburn 2.08km to the southeast. |
| 11420 | Highend 2.87km to the southeast. |
| 11422 | Ormiston 3.57km 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, SW side of road, centre of Dean Burn.
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