Citations
Trig and levelling bulletin no 185, 1949-02, GBR/3296/Maps/CCSA.FJ_205_32/8, FJ_205_32/8. Cambridge University Library. |
|
Trig and levelling bulletin no 185, 1949-02, GBR/3296/Maps/CCSA.FJ_205_32/8, FJ_205_32/8. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/246150 Accessed May 15, 2025. |