Citations
Digital derived 21:25,000 map - experimental, 1978, GBR/3296/Maps/CCSA.MOD_L155_40, MOD_L155_40. Cambridge University Library. |
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Digital derived 21:25,000 map - experimental, 1978, GBR/3296/Maps/CCSA.MOD_L155_40, MOD_L155_40. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246435 Accessed November 17, 2024. |