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OSBM Bolt: by Greenvale (A836) 
OSBM Bolt on culvert [3GL]; OSBM BOLT CUL 1.2M NW SIDE RD.
Location
Grid reference: ND 2489 7225.
Landranger 7: Orkney - Southern Isles.
Landranger 12: Thurso & Wick, John O'Groats.
Structure: Culvert.
Waypoint: OS1932.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Duncansby Head,
12.30km to the east.
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Reay to Duncansby Head levelling line. The surveyor's description was OSBM Bolt on culvert.
Logged Visits
Logged on 12th May 2006 by iainmac. Condition: Couldn't find it.
Location
Grid reference: ND 2489 7225.
Landranger 7: Orkney - Southern Isles.
Landranger 12: Thurso & Wick, John O'Groats.
Structure: Culvert.
Waypoint: OS1932.
Neighbouring Flush Brackets
| G1307 | Rattar House ? 986.56m to the north. |
| G1306 | Corsback 1.41km to the west. |
| G1314 | Whitebridge 2.04km to the east. |
| G1305 | Dunnet 3.04km to the west. |
| G1308 | Mill of Mey ? 3.31km 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 Reay to Duncansby Head levelling line. The surveyor's description was OSBM Bolt on culvert.
Logged Visits
Logged on 12th May 2006 by iainmac. Condition: Couldn't find it.
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