Citations
Ordnance Survey Overseas Survey Directorate annual summary of activities for the year ended 31 March 1990, 1993, GBR/3296/Maps/CCSA.DOS_375_26, DOS_375_26. Cambridge University Library. |
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Ordnance Survey Overseas Survey Directorate annual summary of activities for the year ended 31 March 1990, 1993, GBR/3296/Maps/CCSA.DOS_375_26, DOS_375_26. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238764 Accessed September 23, 2024. |