Citations
Some episodes in the early history of the six-inch Ordnance map, 1967-09, GBR/3296/Maps/CCSA.MOD_144_19, MOD_144_19. Cambridge University Library. |
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Some episodes in the early history of the six-inch Ordnance map, 1967-09, GBR/3296/Maps/CCSA.MOD_144_19, MOD_144_19. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/241014 Accessed November 16, 2024. |