Citations
'Headquarters of Ordnance Survey', 2005-11, GBR/3296/Maps/CCSA.IM_417_7, IM_417_7. Cambridge University Library. |
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'Headquarters of Ordnance Survey', 2005-11, GBR/3296/Maps/CCSA.IM_417_7, IM_417_7. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239267 Accessed May 14, 2025. |