Citations
Metrication of Ordnance Survey maps. Leaflet no 20, 1973-02, GBR/3296/Maps/CCSA.IM_395_85/27, IM_395_85/27. Cambridge University Library. |
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Metrication of Ordnance Survey maps. Leaflet no 20, 1973-02, GBR/3296/Maps/CCSA.IM_395_85/27, IM_395_85/27. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238999 Accessed May 15, 2025. |