Citations
Sheet numbering of Ordnance Survey large scale maps, 1971-01, GBR/3296/Maps/CCSA.IM_395_85/47, IM_395_85/47. Cambridge University Library. |
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Sheet numbering of Ordnance Survey large scale maps, 1971-01, GBR/3296/Maps/CCSA.IM_395_85/47, IM_395_85/47. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239019 Accessed May 15, 2025. |