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OSBM Bolt: Loch a' Ghainmhich 
NBM OSBM BOLT ROCK 4.0M NE SIDE RD PRODN FENCE OPP 11.4M SE WELL (75.788m above Stornoway datum, 2nd order, levelled 1977).
Location
Grid reference: NB 2902 2993.
Landranger 8: Stornoway & North Lewis.
Landranger 13: West Lewis & North Harris.
Structure: Rock outcrop.
Waypoint: OS2745.
The nearest fundamental bench mark is Ullapool, 89.93km to the east.
Location
Grid reference: NB 2902 2993.
Landranger 8: Stornoway & North Lewis.
Landranger 13: West Lewis & North Harris.
Structure: Rock outcrop.
Waypoint: OS2745.
The nearest fundamental bench mark is Ullapool, 89.93km to the east.
If you have any corrections or additions to this record, please let us know.