Citations
Lecture on the Methods & Processes of the Ordnance Survey, 1890-03, GBR/3296/Maps/CCSA.IM_424_1, IM_424_1. Cambridge University Library. |
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Lecture on the Methods & Processes of the Ordnance Survey, 1890-03, GBR/3296/Maps/CCSA.IM_424_1, IM_424_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239313 Accessed May 15, 2025. |