Citations
Ordnance Survey information : leaflet no 29. Non-standard mapping services, 1987-06, GBR/3296/Maps/CCSA.OS_329_55/1, OS_329_55/1. Cambridge University Library. |
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Ordnance Survey information : leaflet no 29. Non-standard mapping services, 1987-06, GBR/3296/Maps/CCSA.OS_329_55/1, OS_329_55/1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244468 Accessed November 19, 2024. |