Citations
A review of Ordnance Survey large scale maps, 1973-04, GBR/3296/Maps/CCSA.IM_397_26, IM_397_26. Cambridge University Library. |
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A review of Ordnance Survey large scale maps, 1973-04, GBR/3296/Maps/CCSA.IM_397_26, IM_397_26. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239060 Accessed May 15, 2025. |