Citations
Ordnance Survey professional papers : new series no 25. The overhaul of the 1:2500 county series maps, 1972, GBR/3296/Maps/CCSA.OS_174_5, OS_174_5. Cambridge University Library. |
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Ordnance Survey professional papers : new series no 25. The overhaul of the 1:2500 county series maps, 1972, GBR/3296/Maps/CCSA.OS_174_5, OS_174_5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243493 Accessed April 29, 2025. |