Citations
Trig. and levelling bulletin no 215, 1951-08, GBR/3296/Maps/CCSA.FJ_205_32/15, FJ_205_32/15. Cambridge University Library. |
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Trig. and levelling bulletin no 215, 1951-08, GBR/3296/Maps/CCSA.FJ_205_32/15, FJ_205_32/15. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246157 Accessed September 23, 2024. |