OSBM Bolt: by St. Clair (Orkney) 

OSBM Bolt, concrete block, 13.0m SW of road, 12.5m SE of track.
Location
Grid reference: HY 4560 0554.
Landranger 6: Orkney - Mainland.
Landranger 7: Orkney - Southern Isles.
Structure: Concrete block.
Waypoint: OS2080.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Duncansby Head,
35.08km to the south.
Logged Visits
Logged on 5th May 2007 by iainmac. Grid reference: HY 4559 0553. Condition: Good.
Location
Grid reference: HY 4560 0554.
Landranger 6: Orkney - Mainland.
Landranger 7: Orkney - Southern Isles.
Structure: Concrete block.
Waypoint: OS2080.
Neighbouring Flush Brackets
| 12112 | Kirkwall (Orkney) 4.19km to the north. |
| 12151 | Hobbister (Orkney) 7.04km to the west. |
Logged Visits
Logged on 5th May 2007 by iainmac. Grid reference: HY 4559 0553. Condition: Good.
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