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| R | Race, Railway, Ride, River, Road, Root of |
| R | Ridge, Rise, Road, Row |
| R | River |
| R | Rocks |
| R | Telephone Call Box (RAC) (small scales) |
| RAC | Royal Automobile Club |
| RAC | RAC call box |
| Rad | Radnorshire |
| Range | Rifle Range |
| RB | Rural Borough |
| RC | Roman Catholic |
| Rd | Road |
| RD | Rural District |
| RDG | Ridge |
| Rec | Rectory |
| Recn | Recreation |
| Recn Gd | Recreation Ground |
| Rems of | Remains of |
| Renfrew | Renfrewshire |
| Resr | Reservoir |
| RG | Bracken/rough grassland |
| RG | Ridge |
| RH | Road House |
| RH | Root of Hedge |
| RL | Roof Line |
| Rly | Railway |
| Rly Sta | Railway Station |
| RO | Reference/Referring Object |
| RO | Retain Original |
| Ross and Crom | Ross and Cromarty |
| Roxb | Roxburghshire |
| rp | Revision Point |
| RS | Rain Spout |
| R Tan | Right Tangent |
| Rut | Rutland |
| RW | Row |
| Ry | Railway |
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