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OSBM Bolt 
OSBM Bolt on concrete block, N side of road at fence junction.
Location
Grid reference: SN 3499 5195.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0667.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Cardigan,
15.30km to the southwest.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Cardigan to Aberystwyth levelling line. The surveyor's description was OSBM Bolt on concrete block, N side of road at fence junction.
Location
Grid reference: SN 3499 5195.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0667.
Neighbouring Flush Brackets
| S7789 | Pentregat 410.00m to the east. |
| S7790 | New Inn 1.18km to the west. |
| S7788 | Plwmp, Capel Crugiau 1.64km to the east. |
| S7791 | Brynhoffnant, Capel Moriah 2.06km to the west. |
| S0553 | Sarnau, St John's Church 3.55km 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 Cardigan to Aberystwyth levelling line. The surveyor's description was OSBM Bolt on concrete block, N side of road at fence junction.
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