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OSBM Bolt 
OSBM Bolt on concrete block at junction of hedges, NW side of road.
Location
Grid reference: SN 1534 4166.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0613.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Cardigan,
7.06km to the northeast.
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 Cardigan levelling line. The surveyor's description was OSBM Bolt on concrete block at junction of hedges, NW side of road.
Location
Grid reference: SN 1534 4166.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0613.
Neighbouring Flush Brackets
| S7803 | Llantood 353.84m to the northeast. |
| S0563 | Crossway 1.35km to the north. |
| S7804 | Traws 2.12km to the south. |
| S7802 | Pantygrwndy 2.39km to the north. |
| 11880 | Pen-y-bryn, Baptist Chapel 2.74km to the northeast. |
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 Cardigan levelling line. The surveyor's description was OSBM Bolt on concrete block at junction of hedges, NW side of road.
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