OSBM Bolt 

OSBM Bolt on concrete block. S side of road opposite road junction.
Location
Grid reference: SN 0513 1509.
Landranger 158: Tenby & Pembroke.
Structure: Concrete block.
Waypoint: OS0583.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Haverfordwest (1969),
8.43km 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 on concrete block. S side of road opposite road junction.
Location
Grid reference: SN 0513 1509.
Landranger 158: Tenby & Pembroke.
Structure: Concrete block.
Waypoint: OS0583.
Neighbouring Flush Brackets
| G3233 | Pricketts Gate 1.37km to the west. |
| G3234 | Slebech 2.58km to the west. |
| G3232 | Robeston Wathen 3.33km to the east. |
| G3231 | Cotts Farm 4.32km to the east. |
| G3235 | Square Farm 4.72km 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 on concrete block. S side of road opposite road junction.
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