Citations
Instructions for 1:1250 field and office examination and revision. (The green book) 1948, 1948, GBR/3296/Maps/CCSA.BWA_339_2, BWA_339_2. Cambridge University Library. |
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Instructions for 1:1250 field and office examination and revision. (The green book) 1948, 1948, GBR/3296/Maps/CCSA.BWA_339_2, BWA_339_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236048 Accessed November 08, 2024. |