OSBM Bolt: Swona (Transfer Bolt)   

NBM OSBM BOLT W SIDE TRE GEO 35.2M SW ANG FENCE 51.7M SE SPIKE END WALL E SIDE HALL GEO - new 1978.

Location
Grid reference: ND 3857 8370.
Landranger 7: Orkney - Southern Isles.
Structure: Unknown.
Waypoint: OS2083.

Neighbouring Flush Brackets

G1310	Ferndale 12.08km to the southwest.
G1309	Seaview House 12.70km to the southwest.

The nearest fundamental bench mark is Duncansby Head, 12.29km to the south.