Flush Bracket 1090: Llwyfen 

Flush Bracket on W. face of barn at Llwyfan [1GL] - approximate location; FB reported as "not found"; presumably replaced by FB G2974.
Location
Grid reference: SO 1572 2128.
Landranger 161: Abergavenny & The Black Mountains.
Structure: Farm building.
Waypoint: FB1090.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Brecon,
13.13km to the northwest.
Second Geodetic Levelling, England & Wales (1912-21)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 428.7200 feet [130.6739 metres] above mean sea level (Newlyn datum). It was included on the Abergavenny to Brecon levelling line. The surveyor's description was Flush Bracket on W. face of barn at Llwyfan.
Location
Grid reference: SO 1572 2128.
Landranger 161: Abergavenny & The Black Mountains.
Structure: Farm building.
Waypoint: FB1090.
Neighbouring Flush Brackets
| G2974 | Llwyfen 0.00m to the east. |
| 1091 | Bwlch 948.68m to the northwest. |
| 1089 | Half Way Inn 1.34km to the east. |
| 1092 | Bwlch 1.66km to the northwest. |
| 1088 | Heol-draw 2.82km to the east. |
Second Geodetic Levelling, England & Wales (1912-21)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 428.7200 feet [130.6739 metres] above mean sea level (Newlyn datum). It was included on the Abergavenny to Brecon levelling line. The surveyor's description was Flush Bracket on W. face of barn at Llwyfan.
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