Citations
Trig. and levelling bulletin no 217, 1951-10, GBR/3296/Maps/CCSA.FJ_205_32/17, FJ_205_32/17. Cambridge University Library. |
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Trig. and levelling bulletin no 217, 1951-10, GBR/3296/Maps/CCSA.FJ_205_32/17, FJ_205_32/17. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246159 Accessed September 23, 2024. |