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OSBM Bolt: Stolford 
Bolt in N. face of granite block about 10 chains N.W. from West Barn, Professor Whewell's Point, Stolford [2GL] - tentative location; probably not actually an "OSBM" Bolt, nor a "1GL" Bolt.
Location
Grid reference: ST 2119 4608.
Landranger 182: Weston-super-Mare, Bridgwater & Wells.
Structure: Other.
Waypoint: OS0004.
Neighbouring Flush Brackets
The nearest fundamental bench mark is North Petherton,
14.74km to the southeast.
Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 52.7050 feet [16.0645 metres] above mean sea level (Newlyn datum). It was included on the North Petherton to Flax Bourton (Stolford Branch) levelling line. The surveyor's description was Bolt in N. face of granite block about 10 chains N.W. from West Barn, Professor Whewell's Point, Stolford.
Location
Grid reference: ST 2119 4608.
Landranger 182: Weston-super-Mare, Bridgwater & Wells.
Structure: Other.
Waypoint: OS0004.
Neighbouring Flush Brackets
| 1627 | Gill's Farm 1.88km to the southwest. |
| 1626 | Burton, The Smithy 2.84km to the southwest. |
| 1625 | Water Farm 3.36km to the southwest. |
| 1624 | Stogursey Lane Bridge 5.68km to the southwest. |
| 1620 | Nether Stowey, Jackson's Lane 6.63km to the southwest. |
Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 52.7050 feet [16.0645 metres] above mean sea level (Newlyn datum). It was included on the North Petherton to Flax Bourton (Stolford Branch) levelling line. The surveyor's description was Bolt in N. face of granite block about 10 chains N.W. from West Barn, Professor Whewell's Point, Stolford.
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