High Boydston to Ayr (Third Geodetic Levelling, Scotland (1956-68))
| Mark Number | Description | Type | Status | Photo |
|---|---|---|---|---|
| 1 | High Boydston FBM | FBM | Destroyed | No photo |
| Mark Number | Description | Type | Status | Photo |
|---|---|---|---|---|
| 1 | High Boydston FBM | FBM | Destroyed | No photo |