Citations
Trig & levelling bulletin no 179, 1948-08, GBR/3296/Maps/CCSA.FJ_205_32/3, FJ_205_32/3. Cambridge University Library. |
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Trig & levelling bulletin no 179, 1948-08, GBR/3296/Maps/CCSA.FJ_205_32/3, FJ_205_32/3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246145 Accessed November 14, 2024. |