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OSBM Bolt 
OSBM Bolt on concrete, N side of road at junction of roads, 23' W of entrance to waste ground.
Location
Grid reference: SS 8556 4625.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Unknown.
Waypoint: OS0854.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Countisbury,
10.83km 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 Countisbury to North Petherton levelling line. The surveyor's description was OSBM Bolt on concrete, N side of road at junction of roads, 23' W of entrance to waste ground.
Location
Grid reference: SS 8556 4625.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Unknown.
Waypoint: OS0854.
Neighbouring Flush Brackets
| G4817 | Metcombe Plantation 2.63km to the west. |
| S2818 | Porlock, School 2.93km to the east. |
| S2816 | Porlock, Reading Room 3.07km to the east. |
| G4818 | New Bridge 4.44km to the east. |
| G4819 | Stratford 6.12km 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 Countisbury to North Petherton levelling line. The surveyor's description was OSBM Bolt on concrete, N side of road at junction of roads, 23' W of entrance to waste ground.
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