Citations
Ordnance Survey professional papers : new series no 25. The overhaul of the 1:2500 county series maps, 1972, GBR/3296/Maps/CCSA.OS_145_27, OS_145_27. Cambridge University Library. |
|
Ordnance Survey professional papers : new series no 25. The overhaul of the 1:2500 county series maps, 1972, GBR/3296/Maps/CCSA.OS_145_27, OS_145_27. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243167 Accessed November 18, 2024. |