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OSBM Bolt 
OSBM Bolt on concrete block, NW side of road, opposite junction of hedges.
Location
Grid reference: SN 3072 5071.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0663.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Cardigan,
10.89km 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, NW side of road, opposite junction of hedges.
Location
Grid reference: SN 3072 5071.
Landranger 145: Cardigan & Mynydd Preseli.
Structure: Concrete block.
Waypoint: OS0663.
Neighbouring Flush Brackets
| S7792 | Rhippinllwyd 599.42m to the southwest. |
| S0553 | Sarnau, St John's Church 900.78m to the northeast. |
| S7793 | Pwntan Mawr 2.21km to the southwest. |
| S7791 | Brynhoffnant, Capel Moriah 2.39km to the east. |
| S7790 | New Inn 3.38km 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 Cardigan to Aberystwyth levelling line. The surveyor's description was OSBM Bolt on concrete block, NW side of road, opposite junction of hedges.
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