Citations
Ordnance Survey 1:25,000 map papers and correspondence, 1946, GBR/3296/Maps/CCSA.IM_425_14, IM_425_14. Cambridge University Library. |
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Ordnance Survey 1:25,000 map papers and correspondence, 1946, GBR/3296/Maps/CCSA.IM_425_14, IM_425_14. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239346 Accessed November 12, 2024. |