Citations
A description of Ordnance Survey medium scale maps, 1949, GBR/3296/Maps/CCSA.OS_143_14, OS_143_14. Cambridge University Library. |
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A description of Ordnance Survey medium scale maps, 1949, GBR/3296/Maps/CCSA.OS_143_14, OS_143_14. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243086 Accessed April 29, 2025. |