Citations
Triangulation and minor control information. Leaflet no 2, 1972-09, GBR/3296/Maps/CCSA.IM_395_85/3, IM_395_85/3. Cambridge University Library. |
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Triangulation and minor control information. Leaflet no 2, 1972-09, GBR/3296/Maps/CCSA.IM_395_85/3, IM_395_85/3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238975 Accessed November 14, 2024. |