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OSBM Bolt 
OSBM Bolt in concrete step, 2' SW from junction of walls, NW side of road.
Location
Grid reference: SN 6919 9675.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Other.
Waypoint: OS0322.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Machynlleth,
7.38km to the northeast.
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 in concrete step, 2' SW from junction of walls, NW side of road.
Logged Visits
Logged on 29th August 2006 by superswifteagle. Grid reference: SN 6919 9675. Condition: Probably destroyed.
Set of steps leading down from road at Glandyfi. Top step is concrete (other steps slate), but no sign of bolt, even though I cleared loads of earth & leaves. No suspect hole either which is a bit odd. This stretch of road is scheduled for straightening/widening so it will soon all be academic. Good views over Dyfi river & mountains beyond.
Location
Grid reference: SN 6919 9675.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Other.
Waypoint: OS0322.
Neighbouring Flush Brackets
| S0459 | Eglwys Fach 1.36km to the southwest. |
| 11001 | Fron-gôch 2.78km to the west. |
| S0347 | Pennal, School 3.72km to the north. |
| G2012 | Derwenlas 3.87km to the northeast. |
| G2011 | Tre'r-ddôl 5.41km to the southwest. |
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 in concrete step, 2' SW from junction of walls, NW side of road.
Logged Visits
Logged on 29th August 2006 by superswifteagle. Grid reference: SN 6919 9675. Condition: Probably destroyed.
Set of steps leading down from road at Glandyfi. Top step is concrete (other steps slate), but no sign of bolt, even though I cleared loads of earth & leaves. No suspect hole either which is a bit odd. This stretch of road is scheduled for straightening/widening so it will soon all be academic. Good views over Dyfi river & mountains beyond.
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