Citations
The functions and activities of the Ordnance Survey, 1973-02, GBR/3296/Maps/CCSA.OS_132_23, OS_132_23. Cambridge University Library. |
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The functions and activities of the Ordnance Survey, 1973-02, GBR/3296/Maps/CCSA.OS_132_23, OS_132_23. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243006 Accessed April 29, 2025. |