Citations
Ordnance Survey information paper 1/1987. National transfer standard, 1987, GBR/3296/Maps/CCSA.OS_329_89, OS_329_89. Cambridge University Library. |
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Ordnance Survey information paper 1/1987. National transfer standard, 1987, GBR/3296/Maps/CCSA.OS_329_89, OS_329_89. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244510 Accessed April 26, 2025. |