Citations
National Grid of Great Britain. Co-ordinates of 5 minute intersections, 1960, GBR/3296/Maps/CCSA.BWA_341_1, BWA_341_1. Cambridge University Library. |
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National Grid of Great Britain. Co-ordinates of 5 minute intersections, 1960, GBR/3296/Maps/CCSA.BWA_341_1, BWA_341_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236115 Accessed November 13, 2024. |