Citations
Ordnance Survey published large scale National Grid maps on 35mm microfilm and printouts from microfilm, 1975-12, GBR/3296/Maps/CCSA.IM_398_51, IM_398_51. Cambridge University Library. |
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Ordnance Survey published large scale National Grid maps on 35mm microfilm and printouts from microfilm, 1975-12, GBR/3296/Maps/CCSA.IM_398_51, IM_398_51. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239148 Accessed November 14, 2024. |