Citations
Ordnance Survey 1:31,680 Map of Hadrian's Wall, 1972 - 1975, GBR/3296/Maps/CCSA.DA_619_19, DA_619_19. Cambridge University Library. |
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Ordnance Survey 1:31,680 Map of Hadrian's Wall, 1972 - 1975, GBR/3296/Maps/CCSA.DA_619_19, DA_619_19. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236740 Accessed November 14, 2024. |