guest [
OSBM Bolt 
OSBM Bolt in concrete block in SE corner of road junction, S side of road.
Location
Grid reference: ST 4355 9110.
Landranger 171: Cardiff & Newport, Pontypool.
Landranger 172: Bristol & Bath, Thornbury & Chew Magna.
Structure: Concrete block.
Waypoint: OS0764.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Penhow,
940.05m 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 Brampton Abbotts to Penhow and Sharpness to Penhow levelling lines. The surveyor's description was OSBM Bolt in concrete block in SE corner of road junction, S side of road.
Location
Grid reference: ST 4355 9110.
Landranger 171: Cardiff & Newport, Pontypool.
Landranger 172: Bristol & Bath, Thornbury & Chew Magna.
Structure: Concrete block.
Waypoint: OS0764.
Neighbouring Flush Brackets
| G3929 | Five Lanes Cottage 1.33km to the east. |
| G3980 | Groes Wen Inn 2.59km to the west. |
| G3928 | Caerwent, St Stephens Church 3.36km to the east. |
| S1321 | Llanbeder 4.38km to the west. |
| S1320 | Llanbeder Farm 4.52km 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 Brampton Abbotts to Penhow and Sharpness to Penhow levelling lines. The surveyor's description was OSBM Bolt in concrete block in SE corner of road junction, S side of road.
If you have any corrections or additions to this record, please let us know.