OSBM Bolt 

NBM OSBM BOLT C CONCRETE CUL 1.0M E RD - new 1978; presumably replacement for original 3GL Bolt nearby.
Location
Grid reference: NC 2521 1673.
Landranger 15: Loch Assynt, Lochinver & Kylesku.
Structure: Culvert.
Waypoint: OS2407.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Ledmore,
3.33km to the south.
Location
Grid reference: NC 2521 1673.
Landranger 15: Loch Assynt, Lochinver & Kylesku.
Structure: Culvert.
Waypoint: OS2407.
Neighbouring Flush Brackets
| G1881 | Ledmore 4.62km to the south. |
| G1809 | Inchnadamph Hotel 4.90km to the north. |
| G1880 | Elphin School 5.94km to the southwest. |
| G4385 | Altnacealgach Hotel 6.06km to the south. |
| G1882 | Altnacealgach Hotel 6.07km to the south. |
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