Citations
Master file. 1/250 000 5th Series sheet 11, 1956 - 1978, GBR/3296/Maps/CCSA.OS_91_1, OS_91_1. Cambridge University Library. |
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Master file. 1/250 000 5th Series sheet 11, 1956 - 1978, GBR/3296/Maps/CCSA.OS_91_1, OS_91_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242435 Accessed April 30, 2025. |