Citations
Primary triangulation 1962. General instructions, 1962-06, GBR/3296/Maps/CCSA.FJ_204_7/5, FJ_204_7/5. Cambridge University Library. |
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Primary triangulation 1962. General instructions, 1962-06, GBR/3296/Maps/CCSA.FJ_204_7/5, FJ_204_7/5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238838 Accessed November 14, 2024. |