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OSBM Bolt 
OSBM Bolt on concrete block in verge, N side of road, 52' W from production of hedge.
Location
Grid reference: SS 8702 4608.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Concrete block.
Waypoint: OS0855.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Countisbury,
12.28km 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 block in verge, N side of road, 52' W from production of hedge.
Location
Grid reference: SS 8702 4608.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Concrete block.
Waypoint: OS0855.
Neighbouring Flush Brackets
| S2818 | Porlock, School 1.58km to the northeast. |
| S2816 | Porlock, Reading Room 1.67km to the east. |
| G4818 | New Bridge 3.01km to the east. |
| G4817 | Metcombe Plantation 4.08km to the west. |
| G4819 | Stratford 4.65km 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 block in verge, N side of road, 52' W from production of hedge.
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