Citations
Ordnance Survey policy statement no 43. Large scales field programme, 1957-01, GBR/3296/Maps/CCSA.OS_189_1/43/2, OS_189_1/43/2. Cambridge University Library. |
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Ordnance Survey policy statement no 43. Large scales field programme, 1957-01, GBR/3296/Maps/CCSA.OS_189_1/43/2, OS_189_1/43/2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243604 Accessed April 29, 2025. |