Citations
Military Survey history: significant dates, 1920 - 2007, GBR/3296/Maps/CCSA.IM_536_13, IM_536_13. Cambridge University Library. |
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Military Survey history: significant dates, 1920 - 2007, GBR/3296/Maps/CCSA.IM_536_13, IM_536_13. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240439 Accessed May 09, 2025. |