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OSBM Bolt 
OSBM Bolt on concrete block.
Location
Grid reference: ND 1087 2194.
Landranger 17: Helmsdale & Strath of Kildonan.
Structure: Concrete block.
Waypoint: OS1946.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Helmsdale,
9.57km to the southwest.
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Lybster to Helmsdale levelling line. The surveyor's description was OSBM Bolt on concrete block.
Location
Grid reference: ND 1087 2194.
Landranger 17: Helmsdale & Strath of Kildonan.
Structure: Concrete block.
Waypoint: OS1946.
Neighbouring Flush Brackets
| G2096 | Berriedale, Ivy Cottage 1.23km to the northeast. |
| G2095 | Borgie, Sunnybrae 1.95km to the northeast. |
| G2094 | Newport, Borgue Old School 3.57km to the northeast. |
| G2097 | Ousdale School 3.75km to the southwest. |
| G2093 | Rhian Cottage (A9) 4.67km to the northeast. |
Third Geodetic Levelling, Scotland (1956-68)
This bench mark was used during the Third geodetic levelling, Scotland. It was included on the Lybster to Helmsdale levelling line. The surveyor's description was OSBM Bolt on concrete block.
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