OSBM Bolt: Wonham Lane 

NBM OSBM BOLT WALL WONHAM MILL NE SIDE WONHAM LANE 1.0M NE END - new 1984.
Location
Grid reference: TQ 2236 4961.
Landranger 187: Dorking, Reigate & Crawley area.
Structure: Roadside wall.
Waypoint: OS2152.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Croydon,
14.89km to the northeast.
Location
Grid reference: TQ 2236 4961.
Landranger 187: Dorking, Reigate & Crawley area.
Structure: Roadside wall.
Waypoint: OS2152.
Neighbouring Flush Brackets
| S9491 | Betchworth, Church 1.29km to the west. |
| S9492 | Flanchford Farm 1.77km to the southeast. |
| S9490 | Deepdene, St Martin's School 4.98km to the west. |
| S9489 | Deepdene, Dorking North Station 5.43km to the west. |
| S9493 | Earlswood, Three Arch Bridge 5.86km to the east. |
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