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OSBM Bolt: Stolford, Professor Whewell's Point   

A mark "similar to the others" (1837) - i.e. a copper cylinder in a heavy block of granite; Bolt in N. face of granite block about 10 chains N.W. from West Barn, Professor Whewell's Point, Stolford [2GL] - tentative location; not actually an "OSBM" Bolt, nor a "1GL" Bolt; reported 12/03/1953 as "disturbed".

Location
Grid reference: ST 2119 4608.
Landranger 182: Weston-super-Mare, Bridgwater & Wells.
Explorer 140: Quantock Hills & Bridgwater.
Explorer 153: Weston-Super-Mare & Bleadon Hill.
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.
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.


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