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High Boydston Fundamental Bench Mark   


Location
Grid reference: NS 2285 4538.
Landranger 63: Firth Of Clyde, Greenock & Rothesay.
Explorer 341: Greenock, Largs & Millport.
GPS network passive station: H1NS2245.
Waypoint: FM7249.

Neighbouring Flush Brackets
G4320 Ardrossan 1.19km to the southeast.
G4014 Cubrieshaw Lodge 2.68km to the northwest.
S4966 Ardrossan, Town Railway Station 3.33km to the south.
G4013 West Kilbride, Railway Station 3.64km to the northwest.
G508 Gill 3.65km to the north.
The nearest fundamental bench mark is Dunlop, 19.23km to the east.

Third Geodetic Levelling, Scotland (1956-68)
This fundamental bench mark was used during the Third geodetic levelling, Scotland, and was levelled with a height of 287.1326 feet [87.5180 metres] above mean sea level (Newlyn datum). It was included on the Gourock to High Boydston, High Boydston to Ayr and High Boydston to Dunlop levelling lines.

Logged Visits
Visited on 17th April 2016 by Dugswell2. Condition: Destroyed.
Had a look before going to the ferry for Arran at Ardrossan.

Visited on 16th May 2013 by jonglew. Grid reference: NS 22851 45384. Condition: Destroyed.
Concur - this one's gone.

Visited on 28th December 2007 by agentmancuso. Condition: Destroyed.
No trace.
If you have any corrections or additions to this record, please let us know.
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