Citations
Extract from M1/170 heights in metres - contours at 20 meters, 1:63,360., 1969, GBR/3296/Maps/CCSA.MOD_L155_23.1(a-c), MOD_L155_23.1(a-c). Cambridge University Library. |
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Extract from M1/170 heights in metres - contours at 20 meters, 1:63,360., 1969, GBR/3296/Maps/CCSA.MOD_L155_23.1(a-c), MOD_L155_23.1(a-c). Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246671 Accessed November 16, 2024. |