Citations
Ordnance Survey one inch map Seventh Series cover styles, codes and formulae, 1980 - 1989, GBR/3296/Maps/CCSA.KGM_387_22, KGM_387_22. Cambridge University Library. |
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Ordnance Survey one inch map Seventh Series cover styles, codes and formulae, 1980 - 1989, GBR/3296/Maps/CCSA.KGM_387_22, KGM_387_22. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240928 Accessed November 16, 2024. |