Citations
'Survey Production Centre Geodetic Section', 1949-08, GBR/3296/Maps/CCSA.IM_538_2, IM_538_2. Cambridge University Library. |
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'Survey Production Centre Geodetic Section', 1949-08, GBR/3296/Maps/CCSA.IM_538_2, IM_538_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240453 Accessed May 13, 2025. |