Citations
GSGS misc. 1692 military conventional signs to be used on maps, sketches or annotated photographs, 1970, GBR/3296/Maps/CCSA.MOD_150_48, MOD_150_48. Cambridge University Library. |
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GSGS misc. 1692 military conventional signs to be used on maps, sketches or annotated photographs, 1970, GBR/3296/Maps/CCSA.MOD_150_48, MOD_150_48. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/241056 Accessed May 03, 2025. |