Citations
Consultative papers 1981 OS 81/3 : Map specification changes : progress report, 1981, GBR/3296/Maps/CCSA.IM_398_41, IM_398_41. Cambridge University Library. |
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Consultative papers 1981 OS 81/3 : Map specification changes : progress report, 1981, GBR/3296/Maps/CCSA.IM_398_41, IM_398_41. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239138 Accessed May 15, 2025. |