Citations
Ordnance Survey information : leaflet no 2. History and work of the Ordnance Survey, 1986-08, GBR/3296/Maps/CCSA.OS_143_18/2, OS_143_18/2. Cambridge University Library. |
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Ordnance Survey information : leaflet no 2. History and work of the Ordnance Survey, 1986-08, GBR/3296/Maps/CCSA.OS_143_18/2, OS_143_18/2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243093 Accessed April 30, 2025. |