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OSBM Bolt 
OSBM Bolt set in concrete, 12' W from hedge junction, 31' N from hedge, S side of road [3GL].
Location
Grid reference: SX 1620 6356.
Landranger 201: Plymouth & Launceston, Tavistock & Looe.
Structure: Concrete block.
Waypoint: OS0260.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Liskeard,
6.05km 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 Grampound to Liskeard levelling line. The surveyor's description was OSBM Bolt set in concrete, 12' W from hedge junction, 31' N from hedge, S side of road.
Location
Grid reference: SX 1620 6356.
Landranger 201: Plymouth & Launceston, Tavistock & Looe.
Structure: Concrete block.
Waypoint: OS0260.
Neighbouring Flush Brackets
| 1878 | Middle Taphouse Farm 1.18km to the east. |
| 1877 | West Taphouse, School 1.29km to the west. |
| 1879 | East Taphouse, Majuba 2.01km to the east. |
| 1926 | East Taphouse Farm 2.35km to the east. |
| 1867 | Bedwindle Farm 2.97km 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 Grampound to Liskeard levelling line. The surveyor's description was OSBM Bolt set in concrete, 12' W from hedge junction, 31' N from hedge, S side of road.
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