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Cut Mark: Southampton, Empress Dock, Tide Gauge 
Top of figures, 17 feet Tide Gauge, Empress Dock [2GL] - more or less a guess at the approximate location.
Location
Grid reference: SU 4275 1003.
Landranger 196: The Solent & The Isle of Wight, Southampton & Portsmouth.
Structure: Unknown.
Waypoint: BM1866.
Neighbouring Bench Marks
The nearest fundamental bench mark is Southampton (O.S.O.),
2.85km to the north.
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 10.1440 feet [3.0919 metres] above mean sea level (Newlyn datum). It was included on the Southampton to Tide Gauge, Empress Dock, Southampton levelling line. The surveyor's description was Top of figures, 17 feet Tide Gauge, Empress Dock.
Location
Grid reference: SU 4275 1003.
Landranger 196: The Solent & The Isle of Wight, Southampton & Portsmouth.
Structure: Unknown.
Waypoint: BM1866.
Neighbouring Bench Marks
| BM | Southampton, Empress Dock, Tide Pole 0.00m to the east. |
| BM | Southampton, Empress Dock, Engine House 31.62m to the south. |
| BM | Southampton, Mortuary 1.11km to the northwest. |
| BM | Southampton, French Street 1.30km to the northwest. |
| BOLT | Southampton, St. Michael's Church 1.51km to the northwest. |
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 10.1440 feet [3.0919 metres] above mean sea level (Newlyn datum). It was included on the Southampton to Tide Gauge, Empress Dock, Southampton levelling line. The surveyor's description was Top of figures, 17 feet Tide Gauge, Empress Dock.
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