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OSBM Bolt 
OSBM Bolt on parapet of railway bridge, NW side of road, 7' from N end of parapet [3GL]; OSBM BOLT W PARA RLY BR N ANG.
Location
Grid reference: SN 1249 0118.
Landranger 158: Tenby & Pembroke.
Structure: Bridge.
Waypoint: OS0924.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Haverfordwest (1969),
21.46km 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 Haverfordwest to Carmarthen levelling line. The surveyor's description was OSBM Bolt on parapet of railway bridge, NW side of road, 7' from N end of parapet.
Logged Visits
Logged on 23rd August 2007 by superswifteagle. Grid reference: SN 1248 0117. Condition: Good.
Fine example of bolt, in excellent condition. Top of NW parapet of bridge over railway, at the northern end. Small inscribed arrowhead, plus letters OSBM
Location
Grid reference: SN 1249 0118.
Landranger 158: Tenby & Pembroke.
Structure: Bridge.
Waypoint: OS0924.
Neighbouring Flush Brackets
| S7945 | Tenby, Greenhill 749.53m to the southeast. |
| S0611 | Tenby 1.18km to the southeast. |
| G5118 | Kiln Park Service Station 1.23km to the southwest. |
| S7949 | New Hedges 1.73km to the north. |
| G5117 | Penally 2.30km to the south. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Haverfordwest to Carmarthen levelling line. The surveyor's description was OSBM Bolt on parapet of railway bridge, NW side of road, 7' from N end of parapet.
Logged Visits
Logged on 23rd August 2007 by superswifteagle. Grid reference: SN 1248 0117. Condition: Good.
Fine example of bolt, in excellent condition. Top of NW parapet of bridge over railway, at the northern end. Small inscribed arrowhead, plus letters OSBM
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