Citations
One inch 7th series drawing instructions. Amendments no 4, 1954-05-17, GBR/3296/Maps/CCSA.OS_152_14/1, OS_152_14/1. Cambridge University Library. |
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One inch 7th series drawing instructions. Amendments no 4, 1954-05-17, GBR/3296/Maps/CCSA.OS_152_14/1, OS_152_14/1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/243304 Accessed April 30, 2025. |