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Flush Bracket 3: Mapledurham Lock 
Flush Bracket on wall, 10 links from edge of Mapledurham Lock [2GL].
Location
Grid reference: SU 6676 7680.
Landranger 175: Reading & Windsor, Henley-on-Thames & Bracknell.
Structure: Other.
Waypoint: FB3.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Wallingford,
12.16km to the north.
Second Geodetic Levelling, England & Wales (1912-21)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 129.4870 feet [39.4676 metres] above mean sea level (Newlyn datum). It was included on the Basingstoke to Wallingford levelling line. The surveyor's description was Flush Bracket on wall, 10 links from edge of Mapledurham Lock.
Logged Visits
Logged on 14th August 2004 by jochta. Condition: Destroyed.
Lock was rebuilt in 1985 and substantially altered before then. Not shown on MasterMap.
Location
Grid reference: SU 6676 7680.
Landranger 175: Reading & Windsor, Henley-on-Thames & Bracknell.
Structure: Other.
Waypoint: FB3.
Neighbouring Flush Brackets
| 75 | Appletree Eyot 2.62km to the southeast. |
| 4 | Whitchurch Bridge 3.14km to the west. |
| G3416 | Pangbourne, Little Oaks 3.45km to the west. |
| G3415 | Tidmarsh, Home Farm 4.04km to the southwest. |
| 5 | Sot's Hole 4.43km to the west. |
Second Geodetic Levelling, England & Wales (1912-21)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 129.4870 feet [39.4676 metres] above mean sea level (Newlyn datum). It was included on the Basingstoke to Wallingford levelling line. The surveyor's description was Flush Bracket on wall, 10 links from edge of Mapledurham Lock.
Logged Visits
Logged on 14th August 2004 by jochta. Condition: Destroyed.
Lock was rebuilt in 1985 and substantially altered before then. Not shown on MasterMap.
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