Citations
Specification one-inch Seventh Series, 1952-07-04, GBR/3296/Maps/CCSA.OS_152_13, OS_152_13. Cambridge University Library. |
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Specification one-inch Seventh Series, 1952-07-04, GBR/3296/Maps/CCSA.OS_152_13, OS_152_13. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243302 Accessed April 29, 2025. |