guest [
OSBM Bolt 
OSBM Bolt in concrete, 15' NW from junction of hedge, SW side of road, SW from Trevolland.
Location
Grid reference: SW 9232 4852.
Landranger 204: Truro & Falmouth, Roseland Peninsula.
Structure: Unknown.
Waypoint: OS0256.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Grampound,
983.51m to the northwest.
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 in concrete, 15' NW from junction of hedge, SW side of road, SW from Trevolland.
Location
Grid reference: SW 9232 4852.
Landranger 204: Truro & Falmouth, Roseland Peninsula.
Structure: Unknown.
Waypoint: OS0256.
Neighbouring Flush Brackets
| G2113 | Grampound, School 1.04km to the east. |
| G2124 | Soarns House 1.10km to the west. |
| 1779 | Grampound, Parc Latch 1.44km to the east. |
| 11630 | Grampound Road 2.11km to the north. |
| 1750 | Probus, Primrose Cottages 2.52km 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 Grampound to Liskeard levelling line. The surveyor's description was OSBM Bolt in concrete, 15' NW from junction of hedge, SW side of road, SW from Trevolland.
If you have any corrections or additions to this record, please let us know.