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OSBM Bolt 
OSBM Bolt on culvert [3GL].
Location
Grid reference: NN 2586 9225.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Culvert.
Waypoint: OS1376.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Spean Bridge,
11.17km 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 Spean Bridge to Loch Tarff levelling line. The surveyor's description was OSBM Bolt on culvert.
Logged Visits
Logged on 28th June 2007 by dal. Condition: Probably destroyed.
Road re-aligned; culvert replaced.
Location
Grid reference: NN 2586 9225.
Landranger 34: Fort Augustus, Glen Albyn & Glen Roy.
Structure: Culvert.
Waypoint: OS1376.
Neighbouring Flush Brackets
| G1050 | Letterfinlay 972.01m to the southwest. |
| G1048 | Laggan 6.37km to the northeast. |
| G1047 | North Laggan 7.66km to the northeast. |
| G1051 | Rathliesbeag 8.61km to the southwest. |
| G1052 | Allt Mairi 9.74km 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 Spean Bridge to Loch Tarff levelling line. The surveyor's description was OSBM Bolt on culvert.
Logged Visits
Logged on 28th June 2007 by dal. Condition: Probably destroyed.
Road re-aligned; culvert replaced.
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