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OSBM Bolt 
OSBM Bolt set in concrete wall opposite hedge junction, N side of road, Pont Loerig.
Location
Grid reference: SN 1865 1674.
Landranger 158: Tenby & Pembroke.
Structure: Unknown.
Waypoint: OS0580.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Haverfordwest (1969),
21.94km 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 Carmarthen to Haverfordwest levelling line. The surveyor's description was OSBM Bolt set in concrete wall opposite hedge junction, N side of road, Pont Loerig.
Location
Grid reference: SN 1865 1674.
Landranger 158: Tenby & Pembroke.
Structure: Unknown.
Waypoint: OS0580.
Neighbouring Flush Brackets
| G3225 | Pengawse Farm 864.93m to the west. |
| G3224 | Whitland 1.66km to the east. |
| G3227 | Gwyndy Farm 2.39km to the west. |
| G3223 | Nant House 3.24km to the east. |
| G3228 | LLanddewi Velfrey 3.94km 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 Carmarthen to Haverfordwest levelling line. The surveyor's description was OSBM Bolt set in concrete wall opposite hedge junction, N side of road, Pont Loerig.
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