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OSBM Bolt 
OSBM Bolt on concrete block, 6' E from guide post, 35' E from road hedge, N side of road at junction of roads, Pont Goleugoed.
Location
Grid reference: SN 7488 3069.
Landranger 146: Lampeter & Llandovery.
Landranger 160: Brecon Beacons.
Structure: Concrete block.
Waypoint: OS0557.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Llandovery,
3.31km 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 Llandovery to Carmarthen levelling line. The surveyor's description was OSBM Bolt on concrete block, 6' E from guide post, 35' E from road hedge, N side of road at junction of roads, Pont Goleugoed.
Location
Grid reference: SN 7488 3069.
Landranger 146: Lampeter & Llandovery.
Landranger 160: Brecon Beacons.
Structure: Concrete block.
Waypoint: OS0557.
Neighbouring Flush Brackets
| 908 | Cilgwyn 868.33m to the southwest. |
| 909 | Pont-Pwll-defaid 937.76m to the east. |
| 907 | Cwrt 1.54km to the southwest. |
| 910 | Godre'r-waun 1.54km to the east. |
| G2978 | Myrtle Hill 1.79km to the east. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Llandovery to Carmarthen levelling line. The surveyor's description was OSBM Bolt on concrete block, 6' E from guide post, 35' E from road hedge, N side of road at junction of roads, Pont Goleugoed.
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