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OSBM Bolt 
OSBM Bolt on top of milestone 'Aberystwyth 6', NW side of road.
Location
Grid reference: SN 5619 7341.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Milestone.
Waypoint: OS0680.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Aberystwyth,
5.94km 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 Cardigan to Aberystwyth levelling line. The surveyor's description was OSBM Bolt on top of milestone 'Aberystwyth 6', NW side of road.
Logged Visits
Logged on 1st May 2006 by superswifteagle. Grid reference: SN 5619 7341. Condition: Damaged.
Milestone on W side of A487. Top has a 1 inch square hole in it - bolt itself has gone. A pity in a way that the OS saw fit to hack into these old milestones.
Location
Grid reference: SN 5619 7341.
Landranger 135: Aberystwyth & Machynlleth.
Structure: Milestone.
Waypoint: OS0680.
Neighbouring Flush Brackets
| S8280 | Brynhaulwen 1.55km to the northeast. |
| S8281 | Blaenplwyf, Mission Rooms 2.80km to the northeast. |
| S8279 | Moelifor 3.19km to the southwest. |
| S8282 | Chancery, Old School 3.69km to the northeast. |
| S0443 | Llanrhystud 4.35km 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 Cardigan to Aberystwyth levelling line. The surveyor's description was OSBM Bolt on top of milestone 'Aberystwyth 6', NW side of road.
Logged Visits
Logged on 1st May 2006 by superswifteagle. Grid reference: SN 5619 7341. Condition: Damaged.
Milestone on W side of A487. Top has a 1 inch square hole in it - bolt itself has gone. A pity in a way that the OS saw fit to hack into these old milestones.
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