Cut Benchmark & 1GL bolt on St Mary's Church, Penzance.
N 50° 06.986 W 005° 31.988
30U E 318907 N 5554649
Cut benchmark and 1GL bolt in south side of west entrance to St Mary the Virgin church in Chapel Street, Penzance.
Waymark Code: WM4ZAR
Location: United Kingdom
Date Posted: 10/17/2008
Views: 6
This Cut benchmark and 1Gl bolt was 18.5965 metres above sea-level(Liverpool Datum). It was last verified and levelled in 1850. It was originally 0.3 metres above ground level. This benchmark was number 11 on the branch levelling from Marazion to Penzance of the first Geodetic survey of England and Wales. This was carried out during 1849 and 1850.
Type of Trigpoint: 1GL Bolt or PA Bolt and cut benchmark
Condition: Good
Number on Flush Bracket: None
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