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OSBM Bolt 
OSBM Bolt on NW face of culvert, SE side of road.
Location
Grid reference: SN 4739 6337.
Landranger 146: Lampeter & Llandovery.
Structure: Culvert.
Waypoint: OS0676.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Lampeter,
15.08km to the southeast.
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 NW face of culvert, SE side of road.
Logged Visits
Logged on 17th July 2006 by superswifteagle. Grid reference: SN 4739 6337. Condition: Probably destroyed.
Found possible culvert, but no sign of bolt. Much road straightening here over the years. No BM marked on map, so it's probably gone.
Location
Grid reference: SN 4739 6337.
Landranger 146: Lampeter & Llandovery.
Structure: Culvert.
Waypoint: OS0676.
Neighbouring Flush Brackets
| G2987 | Aberarth 690.65m to the northeast. |
| S0449 | Aberaeron, Hospital 1.33km to the west. |
| G2986 | Aberaeron, Bank 1.50km to the west. |
| S0455 | Aberaeron, Bridge 1.65km to the west. |
| S0456 | Aberaeron 1.88km 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 NW face of culvert, SE side of road.
Logged Visits
Logged on 17th July 2006 by superswifteagle. Grid reference: SN 4739 6337. Condition: Probably destroyed.
Found possible culvert, but no sign of bolt. Much road straightening here over the years. No BM marked on map, so it's probably gone.
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