Citations
Military Survey visit to Ordnance Survey, 1933-04-05, GBR/3296/Maps/CCSA.MOD_152_45, MOD_152_45. Cambridge University Library. |
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Military Survey visit to Ordnance Survey, 1933-04-05, GBR/3296/Maps/CCSA.MOD_152_45, MOD_152_45. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/241089 Accessed May 03, 2025. |