Citations
Master file. 1:50,000 1st Series sheet 90 , 1972 - 1981, GBR/3296/Maps/CCSA.OS_57_4, OS_57_4. Cambridge University Library. |
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Master file. 1:50,000 1st Series sheet 90 , 1972 - 1981, GBR/3296/Maps/CCSA.OS_57_4, OS_57_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/242202 Accessed May 01, 2025. |