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OSBM Bolt 
OSBM Bolt in concrete on wall junction, NE side of road [3GL].
Location
Grid reference: SH 3037 7869.
Landranger 114: Anglesey.
Structure: Concrete block.
Waypoint: OS0890.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Holyhead,
7.50km to the northwest.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Caernarvon to Holyhead levelling line. The surveyor's description was OSBM Bolt in concrete on wall junction, NE side of road.
Logged Visits
Logged on 30th May 2006 by iainmac. Condition: Couldn't find it.
Location
Grid reference: SH 3037 7869.
Landranger 114: Anglesey.
Structure: Concrete block.
Waypoint: OS0890.
Neighbouring Flush Brackets
| S7556 | Valley, St Michaels Church 1.29km to the northwest. |
| G4918 | Caergeiliog 1.55km to the east. |
| S7555 | Valley, Hospital 1.58km to the northwest. |
| G4952 | Tabor Hall 1.99km to the northwest. |
| G4943 | Four Mile Bridge 2.13km to the west. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Caernarvon to Holyhead levelling line. The surveyor's description was OSBM Bolt in concrete on wall junction, NE side of road.
Logged Visits
Logged on 30th May 2006 by iainmac. Condition: Couldn't find it.
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