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OSBM Bolt 
OSBM Bolt on parapet of railway bridge, S side of road, SW side of railway.
Location
Grid reference: SS 1034 9894.
Landranger 158: Tenby & Pembroke.
Structure: Unknown.
Waypoint: OS0923.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Haverfordwest (1969),
21.62km to the northwest.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Haverfordwest to Carmarthen levelling line. The surveyor's description was OSBM Bolt on parapet of railway bridge, S side of road, SW side of railway.
Location
Grid reference: SS 1034 9894.
Landranger 158: Tenby & Pembroke.
Structure: Unknown.
Waypoint: OS0923.
Neighbouring Flush Brackets
| G5117 | Penally 1.35km to the east. |
| G5116 | Lydstep, Home Farm 1.72km to the west. |
| G5118 | Kiln Park Service Station 1.89km to the northeast. |
| G5114 | Baldwin's Moor 2.62km to the west. |
| S7944 | St Florence, Bethel Chapel 2.96km to the northwest. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Haverfordwest to Carmarthen levelling line. The surveyor's description was OSBM Bolt on parapet of railway bridge, S side of road, SW side of railway.
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