| GMD | Map |
| Classification | 5740s50.G8#131 1974 |
| Publisher | Southampton, Ordnance Survey, 1974 |
| Subject | Boston (England) Maps.Lincolnshire (England) Maps.Norfolk (England) Maps.Maps -- Spalding (England) |
| Series | OS Langranger131 |
| Description | 1 map : col. ; 88 x 100 cm. |