Citations
'The organisation and work of the Ordnance Survey', 1930, GBR/3296/Maps/CCSA.IM_418_3, IM_418_3. Cambridge University Library. |
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'The organisation and work of the Ordnance Survey', 1930, GBR/3296/Maps/CCSA.IM_418_3, IM_418_3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239271 Accessed May 15, 2025. |