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OSBM Bolt 
OSBM Bolt on low wall, SW side of road at SW corner of AA box.
Location
Grid reference: SS 8414 4624.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Unknown.
Waypoint: OS0853.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Countisbury,
9.49km 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 low wall, SW side of road at SW corner of AA box.
Location
Grid reference: SS 8414 4624.
Landranger 181: Minehead & Brendon Hills, Dulverton & Tiverton.
Structure: Unknown.
Waypoint: OS0853.
Neighbouring Flush Brackets
| G4817 | Metcombe Plantation 1.38km to the northwest. |
| S2818 | Porlock, School 4.33km to the east. |
| S2816 | Porlock, Reading Room 4.48km to the east. |
| G4818 | New Bridge 5.85km to the east. |
| G4802 | Wellfield Cottage 7.21km 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 low wall, SW side of road at SW corner of AA box.
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