OSBM Bolt: Steynton, St. Peter's Church 

NBM OSBM BOLT FOUNDATION ST PETERS CH STEYNTON N FACE 6.3M E ANG (65.7810m ODN, 2nd order, levelled 1982).
Location
Grid reference: SM 9178 0783.
Landranger 157: St David's & Haverfordwest.
Landranger 158: Tenby & Pembroke.
Structure: Church / Chapel.
Waypoint: OS2859.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Haverfordwest (1969),
9.33km to the northeast.
Location
Grid reference: SM 9178 0783.
Landranger 157: St David's & Haverfordwest.
Landranger 158: Tenby & Pembroke.
Structure: Church / Chapel.
Waypoint: OS2859.
Neighbouring Flush Brackets
| G5099 | Steynton, Hayguardhay Farm 44.72m to the southwest. |
| G5100 | Milford Haven, Pill Road 1.75km to the southwest. |
| G5098 | Upper Harmeston Cottage 2.39km to the northeast. |
| G4977 | Milford Haven Tide Gauge Aux 1 3.55km to the southwest. |
| G5097 | Johnston 3.83km to the northeast. |
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