OSBM Bolt 

OSBM Bolt on wall, N side of road, 6' NE from junction of fence.
Location
Grid reference: ST 4440 5857.
Landranger 172: Bristol & Bath, Thornbury & Chew Magna.
Landranger 182: Weston-super-Mare, Bridgwater & Wells.
Structure: Unknown.
Waypoint: OS0424.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Flax Bourton,
14.65km 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 North Petherton to Flax Bourton levelling line. The surveyor's description was OSBM Bolt on wall, N side of road, 6' NE from junction of fence.
Location
Grid reference: ST 4440 5857.
Landranger 172: Bristol & Bath, Thornbury & Chew Magna.
Landranger 182: Weston-super-Mare, Bridgwater & Wells.
Structure: Unknown.
Waypoint: OS0424.
Neighbouring Flush Brackets
| G2256 | Churchill 1.46km to the north. |
| G2521 | Sidcot 1.87km to the southwest. |
| G2257 | Lower Langford 2.84km to the north. |
| G2520 | By Winscombe 3.25km to the southwest. |
| S6644 | Axbridge, Town Hall 4.23km to the south. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the North Petherton to Flax Bourton levelling line. The surveyor's description was OSBM Bolt on wall, N side of road, 6' NE from junction of fence.
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