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Flush Bracket OSBM G3978: Birkenhead, Alfred Dock, Tide Gauge BM   

Tide Gauge Hut, SE face, 1.6m from E (see also http://www.psmsl.org/data/obtaining/rlr.diagrams/765.php ).

Location
Grid reference: SJ 3267 9011.
Landranger 108: Liverpool, Southport & Wigan.
Explorer 266: Wirral & Chester / Caer.
Explorer 275: Liverpool.
Structure: Other.
Waypoint: FG3978.

Neighbouring Flush Brackets
S0256 Seacombe Ferry 731.64m to the north.
G3979 Liverpool, Princes Parade, Tide Gauge BM 1.07km to the northeast.
S0255 Birkenhead, Woodside 1.11km to the south.
2603 Liverpool, Tide Gauge 1.12km to the east.
2607 Liverpool, Tide Gauge 1.12km to the east.
The nearest fundamental bench mark is Liverpool, 4.81km to the northeast.

Third Geodetic Levelling, England & Wales (1950-68)
This flush bracket was used during the Third geodetic levelling, England & Wales. It was included as a side level on the Liverpool to Dyserth levelling line.

Logged Visits
Visited on 23rd August 2016 by iainmac. Condition: Couldn't find it.
Off to Belfast on Stena so could get to within a few metres but no sign.
Photo at https://www.flickr.com/photos/31914013@N05/29020356950/in/dateposted-public/
And looking from ship to shore
https://www.flickr.com/photos/31914013@N05/29020356980/in/dateposted-public/

Visited on 15th August 2015 by iainmac. Condition: Unknown.
Could only get to about 220 metres. gps pointed to beyond tower in photo.
Photo at https://www.flickr.com/photos/31914013@N05/20598608586/in/dateposted-public/

Visited on 16th December 2012 by RHW. Condition: Unknown.
Location is Stena ferry terminal, in secure area. Closest I reached was waterside 130m to north.
If you have any corrections or additions to this record, please let us know.
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