Citations
'Records relating to the application of "GSGS" Nos (and their forerunners in the same numerical sequence) and related W.O. numbering systems', 1974, GBR/3296/Maps/CCSA.IM_536_9, IM_536_9. Cambridge University Library. |
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'Records relating to the application of "GSGS" Nos (and their forerunners in the same numerical sequence) and related W.O. numbering systems', 1974, GBR/3296/Maps/CCSA.IM_536_9, IM_536_9. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240435 Accessed November 15, 2024. |