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OSBM Bolt   

OSBM Bolt in top of retaining masonry of milestone 'Haverfordwest 4M Milford Haven 1M', SE side of road.

Location
Grid reference: SM 9199 0886.
Landranger 157: St David's & Haverfordwest.
Landranger 158: Tenby & Pembroke.
Structure: Unknown.
Waypoint: OS0911.

Neighbouring Flush Brackets
G5099 Steynton 1.08km to the south.
G5098 Upper Harmeston Cottage 1.40km to the northeast.
G5100 Milford Haven, Pill Road 2.77km to the south.
G5097 Johnston 2.82km to the northeast.
G5096 Pope Hill 3.88km to the northeast.
The nearest fundamental bench mark is Haverfordwest (1969), 8.35km to the northeast.

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 in top of retaining masonry of milestone 'Haverfordwest 4M Milford Haven 1M', SE side of road.


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