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OSBM Bolt 
OSBM Bolt on living rock, S side of road, 232' E from angle of wall.
Location
Grid reference: SH 7341 0026.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Rock outcrop.
Waypoint: OS0325.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Machynlleth,
2.14km to the east.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Aberystwyth to Machynlleth levelling line. The surveyor's description was OSBM Bolt on living rock, S side of road, 232' E from angle of wall.
Logged Visits
Logged on 29th August 2006 by superswifteagle. Condition: Probably destroyed.
Road widened & straightened, no obvious spot for the bolt.
Location
Grid reference: SH 7341 0026.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Rock outcrop.
Waypoint: OS0325.
Neighbouring Flush Brackets
| S0349 | Machynlleth 1.46km to the east. |
| G2012 | Derwenlas 1.62km to the southwest. |
| G2567 | Pen-y-bont 1.99km to the northeast. |
| G2568 | Dol-y-Dderwen 3.23km to the northeast. |
| S0347 | Pennal, School 3.52km to the west. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Aberystwyth to Machynlleth levelling line. The surveyor's description was OSBM Bolt on living rock, S side of road, 232' E from angle of wall.
Logged Visits
Logged on 29th August 2006 by superswifteagle. Condition: Probably destroyed.
Road widened & straightened, no obvious spot for the bolt.
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