2021
NY3867 : Benchmark on NE parapet of Howend High Bridge
taken 4 years ago, near to Longtown, Cumbria, England

Benchmark on NE parapet of Howend High Bridge
Ordnance Survey cut mark benchmark levelled at 17.952m above Newlyn Datum verified 1972.
Ordnance Survey records also show that a benchmark levelled at 56.900 feet above Liverpool Datum was cut on the parapet during the 1844/5 Carlisle to Sark Bridge 1GL Survey. The surveyor's description was 'No. 20. Mark on East pier of bridge over stream ; 2.05 ft. below mark on crown of battlement, and 1.34 ft. above surface'
Ordnance Survey records also show that a benchmark levelled at 56.900 feet above Liverpool Datum was cut on the parapet during the 1844/5 Carlisle to Sark Bridge 1GL Survey. The surveyor's description was 'No. 20. Mark on East pier of bridge over stream ; 2.05 ft. below mark on crown of battlement, and 1.34 ft. above surface'