2016
TL1997 : Ordnance Survey Benchmark and Bolt - Fletton, St. Margaret's Church
taken 9 years ago, near to Stanground, Peterborough, England
Ordnance Survey Benchmark and Bolt - Fletton, St. Margaret's Church
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD).
Height: 9.6774m OD (Newlyn). Mark verified by the Ordnance Survey in 1965. Description: ST MARGRETS CH SW FACE W INTERIOR ANG. 1.3m above ground. 3rd Order BM.
The bolt was included as a branch level from mark 138 on the Towcester to King's Lynn line of the First Primary Levelling of England & Wales in 1852. It was levelled with a height of 32.580’ above OD (Liverpool). Description: Fletton Church, near Peterborough. Bolt in North side of spire ; 2.89 ft. above surface. Page 314 of the abstract:
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TL1997 : Ordnance Survey Benchmark and Bolt - Fletton, St. Margaret's Church
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